Upload Untitled spreadsheet - Active_Common.csv

Untitled spreadsheet - Active_Common.csv

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+Signal Name,Description,Frequency,Mode,Modulation,Bandwidth,Location,Sample Audio,Waterfall image
+Ghadir' OTH Radar,"Ghadir', is an Iranian over the horizon radar, part of Iran's Sepehr Phased Radar System.",28 MHz — 29.7 MHz,AM,Pulse,60 kHz — 1 MHz,Iran,,
+OTH-SW' OTH Radar,OTH-SW is a Chinese over-the-horizon radar. It is known to operate with pulse repetition frequencies of 43 Hz and 86 Hz.,6 MHz — 30 MHz,USB,FMCW,40 kHz — 80 kHz,China,,
+2006 Kia Grand Carnival Keyfob,Original remote of KIA Carnival (2006).,433.92 MHz,NFM,FSK,100 kHz,Worldwide,,
+29B6 'Kontayner' OTH Radar,"29B6, nicknamed 'Контейнер' (Kontayner), is a Russian over the horizon radar. It is currently very active in Europe. The radar uses 150 antenna masts with data transmission systems, transmitters and receivers, a power station, and control buildings. It can detect high-altitude and low-altitude aircraft and missiles at very long ranges.",6.1 MHz — 32 MHz,USB,"FMOP, Pulsed",3.5 kHz — 28 kHz,Russia,,
+3G WCDMA,"WCDMA, known primarily as 3G mobile, is a family of 3G data protocols used to send voice, text and signaling data to smart phones and other wireless devices.","824 MHz — 2,100 MHz","RAW, AM","QAM, QPSK, CDMA",4.2 MHz,,,
+4G LTE Network,Long Term Evolution Network. Also known as 4G LTE Data and Evolved Universal Terrestrial Radio Access (E-UTRA). Data service for wireless consumer devices.,"450 MHz — 3,500 MHz",RAW,"OFDM, PSK, QAM",1.4 MHz — 20 MHz,Worldwide,,
+"5G ""New Radio"" cellular network - Downlink","5G cellular, also known by 3GPP '5G' NR (new radio), etc. is a newly released cellular standard that allows for backwards compatibility with 4G LTE, and will allow for several gigabits of connection speeds, (up to 10-100Gb) per second. This is the 600 MHz downlink band for the new standard.","600 MHz — 50,000 MHz",AM,"UFMC, GFDM, OFDM, FBMC",100 MHz,Worldwide,,
+77Ya6 'Voronezh' radar,Voronezh (Воронеж) is a Russian radar family capable of aircraft and ballistic missile monitoring.,150 MHz — 440 MHz,AM,FMCW,2 MHz,Russia,,
+802.11n,"IEEE 802.11n-2009, commonly shortened to 802.11n, is a wireless-networking standard that uses multiple antennas to increase data rates. The Wi-Fi Alliance has also retroactively labeled the technology for the standard as Wi-Fi 4.","2,412 MHz — 5,865 MHz",FM,"BPSK, QPSK, 16QAM, 64QAM",20 MHz — 40 MHz,Worldwide,,
+8PSK,8PSK is an amateur digital UTF8-text and data mode designed by John Phelps KL4YFD in 2014. It's goal is to provide medium speed data using generic FM and SSB radios.,"3 MHz — 3,000 MHz","USB,FM",8PSK,125 Hz — 1.2 kHz,Worldwide,,
+AIST 2D,"Aist 2D is a Russian microsatellite developed and designed by a group of Samara Aerospace University students, postgraduates, and scientists in cooperation with TsSKB-Progress.",435.315 MHz,NFM,PM/PCM,10 kHz,Worldwide,,
+AKKORD-SS-PD,"Akkord-SS-PD (АККОРД-СС-ПД), also known as “Akkord-165” is a Russian datalink used during the invasion of Ukraine. Akkord is a rather old family of datalink protocols, and Akkord-165 is the most recent version.",7.051 MHz,USB,MSK,1.2 kHz,Russia,,
+ALE-400,ALE-400 is an amateur version of the 2G ALE standard. It is adapted to the demands of amateur radio emergency traffic handling.,1.806 MHz — 144.163 MHz,USB,MFSK,400 Hz,Worldwide,,
+ARGOS A-DCS,"Some polar weather satellites from the METOP and POES series carry ARGOS A-DCS (Advanced Data Collection System), which is a system to collect data from sondes and other remote land or air-based instrumentation.",465.99 MHz,USB,PSK,54 kHz,Worldwide,,
+ARQ-E(E3),"ARQ-E, also known as ARQ-1000 Duplex or ARQ-1000D, is a synchronous full-duplex ARQ system. ARQ-E3 is a variant that uses a different alphabet encoding. Mainly used by French Military Forces. Stations commonly idled for hours on end.",3 MHz — 30 MHz,USB,FSK,85 Hz — 850 Hz,Worldwide,,
+ASCII,ASCII (also known as ITA5 or IRA) is an amateur radio telegraphy signal using the ITA-5 alphabet.,3 MHz — 450 MHz,"NFM, USB",FSK,300 Hz,Worldwide,,
+ATSC 3.0 Broadcast,The Advanced Television Systems Committee (ATSC) 3.0 standard (marketed as NextGen TV) is a revised set of video broadcasting specifications that outlines improvements to spectrum efficiency.,,RAW,"OFDM, QAM",6 MHz,"United States, South Korea, Jamaica",—,
+ATSC Broadcast,Advanced Television Systems Committee Television. 8VSB Modulation,54 MHz — 700 MHz,RAW,8VSB,6 MHz,United States,—,
+Adam H Image Capable Digital Mode (AHICDM),"AHICDM is a simple, slow and reliable modulation protocol that allows binary data in standard ASCII to be sent over audio.",,Digital,,,United Kingdom,,
+Adam H Secure Communication (AHSC),AHSC uses a randomly generated One-Time-Pad to secure communications between transmitter and receiver. Used for unscheduled transferring of data due to the architecture of the protocol / mode which makes decoding the message impossible if the transmission was not listened to from the beginning.,,USB,,,United Kingdom,,
+Aircraft Communications Addressing and Reporting System (ACARS),ACARS is a digital datalink system for the transmission of short messages between aircraft and ground stations via airband radio or satellite.,129 MHz — 137 MHz,AM,MSK,5 kHz,Worldwide,,
+Amplitude Modulation (AM),Long range commercial broadcast and international radio. Also used for aviation communications.,153 kHz — 137 MHz,AM,AM,10 kHz,Worldwide,,
+Aprizesat,"Data downlink from Aprizesat microsatellites. Aprizesat constellation consists of 12 Active satellites, These provide a worldwide M2M asset tracking service and relay AIS packets.",400.5 MHz — 400.65 MHz,USB,GMSK,5 kHz,Worldwide,,
+Aqua Direct Broadcast (DB),A direct broadcast sent in the X band by the NASA Aqua satellite for reception by end users.,"8,160 MHz",RAW,OQPSK,15 MHz,Worldwide,—,
+Autocab,This is an example of the Autocab Media Data Terminals used by cab companies all over the world.,163.375 MHz,NFM,PSK,12.5 kHz,United Kingdom,,
+Automated Train Control System (ATCS),"Automated Train Control System (ATCS), specifically ATCS Spec. 200, is a standardized communication system for railroads designed to ensure safety by monitoring locations of trains and locomotives, providing analysis and reporting, and automation of track warrants and similar orders.",896.888 MHz — 936.988 MHz,NFM,FSK,12.5 kHz,United States,,
+Automatic Dependent Surveillance-Broadcast (ADS-B),"ADS-B is used by aircraft as an alternative to secondary radar. It broadcasts GPS position (latitude, longitude), pressure altitude, callsign, as well as track and ground speed.","978 MHz — 1,090 MHz",RAW,PPM,2 MHz,Worldwide,,
+Automatic Identification System (AIS),Automatic Identification System (AIS) is used by ships to broadcast position and vessel information.,161.975 MHz — 162.025 MHz,NFM,GMSK,25 kHz,Worldwide,,
+Automatic Link Establishment (2G ALE),"Automatic Link Establishment, 2G ALE (Official designation MIL-STD-188-141A and/or MIL-STD-188-141B (Appendix A)) is the current standardized method of establishing connections between radio operators. Also known as FED-STD 1045, FED-STD 1049, and STANAG 5066.",3.068 MHz — 28.313 MHz,USB,MFSK,2 kHz,Worldwide,,
+Automatic Link Establishment (3G ALE ARCS),"3G ALE (ARCS) is the next generation of ALE (Designated by MIL-STD-188-141B (Appendix C)). Also known as STANAG 4538, although MIL 188-141 does not provide Fast LSU.",3 MHz — 30 MHz,USB,PSK,3 kHz,Worldwide,,
+Automatic Link Set-up (ALIS),Automatic Link Set-up (ALIS) is an automatic link system used by Rohde & Schwarz modems.,3 MHz — 30 MHz,USB,FSK,270 Hz,Worldwide,,
+Automatic Packet Reporting System (APRS),"Packet system for real time data communications. Used by hams for location reporting, weather stations etc.",144.39 MHz — 432.5 MHz,NFM,AFSK,12.5 kHz,Worldwide,,
+Automatic Picture Transmission (APT),"Automatic Picture Transmission (APT), also known as NOAA-GEOSAT, is an analog image transmission mode used by the NOAA weather satellites and some Russian weather satellites to transmit satellite weather photos.",137.1 MHz — 137.913 MHz,,AM,34 kHz,Worldwide,,
+Automatic Transmitter Identification System (ATIS),ATIS systems are identification tags used by inland commercial waterway traffic on rivers in Europe. The FSK burst is appended at the end of every voice transmission by the vessel operator.,30 MHz — 800 MHz,NFM,FSK,12 kHz,Europe,,
+Automatic Vehicle Monitoring (AVM),"Proprietary FFSK data network used for public transport telemetry. It is primarily used to track and control vehicles, and facilitates PTT-ID for communication with tram drivers.",507.225 MHz — 517.875 MHz,NFM,FFSK,7.5 kHz,Australia,,
+BPC,"BPC is the callsign of the Chinese low-frequency time broadcasting station, located near Shangqiu, Henan in China.",68.5 kHz,USB,AM,1 Hz,China,,
+BPM,"BPM is a time signal transmitted by the Chinese Academy of Sciences, broadcasting from CAS's National Time Service Center in Pucheng County, China.",2.5 MHz — 15 MHz,AM,AM,3.5 kHz,China,,
+Binary Interchange of Information and Signaling (BIIS),BIIS (also known as BIIS 1200) is an ETSI protocol for a digital selective calling method with the added benefit of extended capability of transmitting data that exceeds what could be done with old 5-tone analog calling methods like CCIR and ZVEI.,35 MHz — 800 MHz,NFM,FFSK,6 kHz,Europe,,
+BlueWalker-3 Wideband Telemetry,Wideband telemetry signal from BlueWalker-3 experimental satellite.,"2,245 MHz",RAW,BPSK,1 MHz,Worldwide,—,
+Bluetooth,"Bluetooth is a wireless technology standard for exchanging data over short distances from fixed and mobile devices and building personal area networks (PANs). Invented by telecom vendor Ericsson in 1994, it was initially conceived as a wireless alternative to RS-232 data cables. It can connect several devices, overcoming synchronization problems.","2,400 MHz — 2,485 MHz",,"GFSK, DPSK",1 MHz,Worldwide,,
+Broadband Global Area Network (BGAN),Proprietary satellite network owned and operated by Inmarsat that provides cellular 3G equivalent data and voice services to subscribers.,"1,525 MHz — 1,559 MHz",WFM,QPSK,200 kHz,Worldwide,,
+CAS-4A/B Satellite Telemetry,CAS-4A/B Satellite 4.8 kbps GMSK Telemetry Downlink.,145.835 MHz — 145.89 MHz,NFM,GMSK,10 kHz,Worldwide,,
+CCIR 493-4 Selcall,"CCIR 493-4 Selcall, also known as HF Selcall, Australian Selcall, and Codan 8580 Selcall, is a Selcall standard developed in Australia for the HF band. Used by Amateur radio and Codan Modems.",3 MHz — 30 MHz,USB,FSK,300 Hz,Worldwide,,
+CDMA2000 (3G physical layer),CDMA is another standard for Cellular Devices with GSM being the first encrypted standard.,"450 MHz — 1,900 MHz",RAW,QPSK,1.23 MHz,United States,,
+CDMA420,,410 MHz — 425 MHz,AM,QPSK,2.5 MHz,Poland,,
+CHU,CHU is a time signal radio station operated by the Institute for National Measurement Standards of the National Research Council of Canada.,3.33 MHz — 14.67 MHz,USB,"FSK, OOK",2.25 kHz,Canada,,
+CIS MFSK-16 XPA2,"Enigma Designation XPA2, also known as MFSK-16, CIS MFSK-14, and CIS MFSK-16, is a 14-tone MFSK signal said to have origin from Russian Intelligence and Foreign Ministry stations.",3 MHz — 30 MHz,USB,MFSK,250 Hz,Russia,,
+CIS MFSK-16 XPB,Enigma designation XPB is a custom 16-tone MFSK mode said to have origin from Russian Intelligence and Foreign Ministry stations.,4.4 MHz — 20 MHz,USB,MFSK,2.8 kHz,Russia,,
+CIS MFSK-20 XPA,"Enigma Designation XPA, also known as MFSK-20, CIS MFSK-17, and CIS MFSK-20, is a 17-tone MFSK signal said to have origin from Russian Intelligence and Foreign Ministry stations.",3 MHz — 30 MHz,USB,MFSK,800 Hz,Russia,,
+CIS MFSK-21-13,"An MFSK data mode that is believed to originate from Russian sources. Changes between MFSK-21, MFSK-13 and different speeds.",4.834 MHz — 16.292 MHz,USB,MFSK,3.3 kHz,"Russia, Worldwide",,
+CIS MFSK-68,"New Russian MFSK Modem that uses 68 MFSK (5 tones at a time) as well as a 9000 Bd 8-PSK insert every second which spans 10 kHz wide. This signal is often found attributed with CIS-3000, where CIS-3000 acts as the ALE for this signal as well as CIS-128.",7.659 MHz — 18.28 MHz,USB,"MFSK, PSK",10 kHz,Russia,,
+CIS OFDM HDR Modem,"Russian OFDM HDR (High Data Rate) Modem. Has three main modes: CIS-45, CIS-60, and CIS-93, corresponding to the number of OFDM tones in the signal.",3 MHz — 30 MHz,USB,"PSK, OFDM",2.8 kHz — 3 kHz,Russia,,
+CIS-112,"CIS-112 OFDM signal. Has a preamble of 7 Tones (not including carrier), then 56 tones before entering into the 112 tone data transmission.",3 MHz — 30 MHz,USB,"PSK, OFDM",3 kHz,Russia,,
+CIS-12,"CIS-12 (Also known as MS5, FIRE, AT-3004D, or AT-3104D) is a 12-tone PSK Russian military multi-channel modem.",7.026 MHz — 14.6 MHz,USB,PSK,3.1 kHz,Russia,,
+CIS-128,"CIS-128 is an OFDM mode that uses 128 channels, with one “off” channel in the center, so the signal is divided into two 64 channel parts.",3 MHz — 30 MHz,USB,"PSK, OFDM, QAM",3.1 kHz — 6.1 kHz,Russia,,
+CIS-3000,CIS-3000 is an 8-PSK Data Modem protocol. Its source is traced to Russia. 3000 is for its 3000 Baud speed (maximum speed is technically 9000 bps).,3 MHz — 30 MHz,USB,PSK,3.4 kHz,Russia,,
+CIS-36-50,"CIS-36-50, also known as BEE-36 and T-600, is an FSK modem used by the Russian Navy.",3 MHz — 30 MHz,USB,FSK,300 Hz — 550 Hz,Russia,,
+CIS-40.5,"CIS-40.5 (Also known as T-206) is an FSK signal used in Russian Military Communications Equipment. Used as a telegraph channel, encrypted.",3 MHz — 30 MHz,USB,FSK,600 Hz,Russia,,
+CIS-48,CIS-48 is an interesting data mode with a unique format. It uses a 4 DBPSK Preamble with a constant tone and changing OFDM modes as it transmits data. Origin is suspected to be in Russia.,5.017 MHz — 17.289 MHz,USB,PSK,2 MHz — 3 MHz,Russia,,
+CIS-50-50,CIS-50-50 is very similar to CIS-36-50. The main difference is in the available baud rates and frequency shifts used.,3 MHz — 30 MHz,USB,FSK,150 Hz — 630 Hz,Russia,,
+CLOUDSAT Downlink,Dump to European ground station from the CLOUDSAT cloud profiling satellite. CLOUDSAT has a CPR (Cloud Profiling Radar) that operates at 94 GHz to create a vertical sounding (cross-section) of the atmosphere.,"2,217.5 MHz",RAW,BPSK,2 MHz,Europe,—,
+CLOVER 2000,"CLOVER 2000 is an upgrade to CLOVER-II, a digital data protocol developed by Ray Petit and HAL Communications. Sometimes referred to as XCLOVER or 8 Tone CLOVER.",3 MHz — 30 MHz,USB,"PSK, QAM",2 kHz,Worldwide,,
+CLOVER 2500,"CLOVER 2500 is a new upgrade to CLOVER-2000, adding 25% more speed to the CLOVER system.",3 MHz — 30 MHz,USB,"PSK, QAM",2.5 kHz,Worldwide,,
+CLOVER-II,"CLOVER-II is the advancement of CLOVER-I, with 4 tone pulses and a max data rate of 750 bps. Also known as Q-CLOVER and QUAD-CLOVER.",3 MHz — 30 MHz,USB,"PSK, QAM",500 Hz,Worldwide,,
+CODAR,"CODAR (Coastal Ocean Dynamics Applications Radar) is used for near-surface ocean monitoring, such as waves and water current.",4.438 MHz — 42.5 MHz,USB,ILFM,50 kHz,Worldwide,,
+COFDMTV,COFDMTV is an easy-to-use picture transmission mode based on Coded Orthogonal Frequency-Division Multiplexing (COFDM).,,"SSB,FM,AM","COFDM, 8-PSK, QPSK",1.6 kHz — 3.2 kHz,,,
+CORIOLIS Tactical Direct Broadcast,"Direct Broadcast digital signal from the CORIOLIS satellite, primarily carries data from the WindSat instrument.","2,221.5 MHz",RAW,BPSK,2 MHz,Worldwide,—,
+California Smart-Meter,"This is a signal from a Californian Electricity 'Smart Meter'. Each house is now fitted with one of these, and they are strong - typically 50 dB above the atmospheric noise level.",902 MHz — 928 MHz,,,15 kHz,United States,—,
+Chilean Naval Time Signal,"Naval VHF time signal found in Chilean Coast, in Vina Del Mar",148.125 MHz,NFM,FM,12.5 kHz,Chile,,
+China digital radio (CDR),Convergent Digital Radio (CDR) or China Digital Radio is an in-band-on-channel (IBOC) digital radio broadcasting format used in China. It can be found in multiple bandwidth configurations with different modulation formats.,106.1 MHz,USB,OFDM,100 kHz — 500 kHz,China,,
+Chinese 'Foghorn' OTH radar,"A Chinese over the horizon radar, known as ""foghorn"" among amateur radio operators. Not much is known about it.",6 MHz — 29 MHz,USB,FMCW,10 kHz,"China, Worldwide",,
+Chinese 4+4,"Chinese 4+4, also known as 4+4 or PRC 4+4, is a multi-carrier transmission mode. It used by Chinese Diplomatic services with most traffic originating from Beijing, China.",3 MHz — 30 MHz,USB,PSK,2.5 kHz,China,,
+Chinese Firedrake Jammer,Commercial AM Broadcast jamming signal that plays Chinese folk songs to jam specific radio stations in Asia from being received by listeners.,6 MHz — 18 MHz,AM,AM,10 kHz,China,,
+Chinese Multitonal Jammer,Chinese radio jamming signals intended to disrupt/censor broadcast communications.,9.045 MHz,USB,PPM,10 kHz,Worldwide,,
+Codan Data Modem,"Codan Data Modulation for Codan Data Modems. Has 3 distinct signals: Data, ALE, and SELCAL. This modulation is used in Codan's 9001, 9002, 3012 and 3212 modems.",3 MHz — 30 MHz,USB,"PSK, FSK",400 Hz — 2.56 kHz,Worldwide,,
+CompuLert,"Low speed FSK telemetry to monitor and control warning sirens that are used to warn the public of threats such as tsunamis, severe weather, chemical spills and civil emergencies.",453.375 MHz,NFM,FSK,5 kHz,Worldwide,,
+Contestia,"Contestia, developed by Nick Fedoseev (UT2UZ) in 2005, is a digital mode derived from Olivia. It aims to deliver a compromise of speed and performance.",3 MHz — 30 MHz,USB,MFSK,150 Hz — 2 kHz,Worldwide,,
+Continuous Tone-Coded Squelch System (CTCSS),"CTCSS, also known as Private Line and Channel Guard, is a low continuous tone transmitted on NFM voice transmissions that is used to squelch and manage transmissions on a given frequency.",30 MHz — 800 MHz,NFM,CW,5 kHz — 30 kHz,Worldwide,,
+Cuban Jammer,"Cuban jammers jam the frequencies of Radio Martí, Radio Republica and occasionally WRMI radio.",5.98 MHz — 13.82 MHz,DSB,,10 kHz,Cuba,,
+D-STAR,D-STAR is a digital voice protocol used by ham radio. Is sometimes routed over the internet for international communications.,145.67 MHz,NFM,GMSK,6.25 kHz,Worldwide,,
+DB0UPB research beacon,The is a research beacon for training neuronal networks.,3.6 MHz — 14.101 MHz,"LSB, USB","MFSK, LSB, USB",2.7 kHz,Germany,,
+DCF77,DCF77 is a German longwave time signal radio station based at 77.5 kHz. DCF uses an AM modulated carrier and phase modulation sidebands to transmit its time signal.,77.5 kHz,USB,"AM, PSK",1.3 kHz,Germany,,
+Datawell Buoy HF Link,"Datawell Buoy HF Links transmitted by Datawell Marine measurement buoys, measuring ocean conditions, temperature, and wave current.",25.5 MHz — 45 MHz,USB,"FSK, MFSK",200 Hz — 400 Hz,Worldwide,,
+Denso 4EA Key Fob,Denso Wireless Key Fob 4EA built by Denso Corporation for General Motors auto brands Chevrolet and Buick. Used on Chevrolet Camaro and Malibu from 2016+. Used on Buick Lacrosse 2017+.,433.92 MHz,AM,"AM, ASK",15 kHz,Worldwide,,
+Differential Global Positioning System (DGPS),"Differential GPS (DGPS), also known as M823 DGPS and SC-104 DGPS, is a supplementary correction signal used by GPS receivers to increase the accuracy of GPS based positioning.",283.5 kHz — 2.95 MHz,USB,MSK,150 Hz — 250 Hz,Worldwide,,
+Digisonde,Digisondes are ionosondes that use pulsed signal that can gather more radar information than a traditional ionosonde sweep.,500 kHz — 30 MHz,RAW,Pulsed,30 kHz,Worldwide,,
+Digital Audio Broadcasting (DAB),DAB is an audio broadcasting standard containing a multiplex of digital radio stations in the signal.,174 MHz — 239 MHz,AM,OFDM,1.536 MHz,Worldwide,,
+Digital Audio Broadcasting Plus (DAB+),"DAB+ is a medium of delivering broadcast radio, containing multiple stations in a single multiplex.",174 MHz — 230 MHz,,OFDM,1.536 MHz,Worldwide,,
+Digital Dispatch Systems MDT,Digital Dispatch Systems Mobile Data Terminal is a dispatching system used by taxi and private transportation companies.,152 MHz — 854.788 MHz,NFM,PSK,8 kHz,United States,,
+Digital Enhanced Cordless Telecommunications (DECT),"DECT is a ETSI standard for short range communications, mainly cordless phones. It uses a 10 channel/24 slots in a TDMA FDD structure. Audio sample is 100 times slower than real for listening purposes.","1,880 MHz — 1,900 MHz",USB,GFSK,1.6 MHz,Worldwide,,
+Digital Mobile Radio (DMR),"Digital Mobile Radio (DMR) is an open digital mobile radio standard defined by ETSI and used in commercial products around the world. Mostly used by private network and local police, can be encrypted. Used in MOTOTRBO products.",66 MHz — 860 MHz,NFM,4FSK,12.5 kHz,Worldwide,,
+Digital Multimedia Broadcasting (DMB),"Digital Multimedia Broadcasting (DMB) is a digital radio transmission technology developed in South Korea as part of the national IT project for sending multimedia such as TV, radio and datacasting to mobile devices such as mobile phones, laptops and GPS navigation systems.",174 MHz — 216 MHz,,"DQPSK, OFDM",1.536 MHz,South Korea,—,
+Digital NBTV,"Method for transmitting digital images via radio, similar to WinDRM or KG-STV",3 MHz — 470 MHz,"SSB, FM",BPSK,2.5 kHz,Worldwide,,
+Digital Private Mobile Radio (dPMR),"dPMR is an open, non-proprietary trunked radio standard developed by ETSI, published under ETSI TS 102 658. Supports both data and digital voice transmission.",149.019 MHz — 446.2 MHz,NFM,4FSK,6.25 kHz,Worldwide,,
+Digital Radio Mondiale (DRM),Digital Radio Mondiale (DRM) is a digital commercial broadcasting mode used to deliver FM-comparable sound quality to shortwave radio.,531 kHz — 26.06 MHz,USB,"QAM, OFDM",4.5 kHz — 20 kHz,Worldwide,,
+Digital Radio Mondiale Plus (DRM+),DRM+ is a VHF implementation of DRM primarily for the FM broadcast band.,47 MHz — 230 MHz,,OFDM,100 kHz,Worldwide,—,
+Digital Video Broadcasting — Terrestrial (DVB-T),Digital Video Broadcasting — Terrestrial (DVB-T) is a digital broadcast television format used in Europe and in many other countries in the world.,174 MHz — 786 MHz,USB,"QAM, OFDM, QPSK",6 MHz — 8 MHz,Worldwide,,
+Digital-Coded Squelch (DCS),Digital in-band signalling used to squelch and manage transmissions on a given frequency.,433 MHz — 446 MHz,NFM,FSK,,Worldwide,,
+Distress Radiobeacon (Digital),"Digital Distress Radiobeacons (EPIRB's, PLB's and ELT's) are emergency radio beacons used for search and rescue operations to locate a vessel, plane, or person in distress.",406 MHz,NFM,PSK,1.4 kHz,Worldwide,,
+Dual Tone Multi Frequency (DTMF),"DTMF is a signaling mode used for a variety of purposes. It's most known for telephony dialing, but is in use for many different applications such as DTMF paging for DTMF-enabled VHF/UHF radios.",30 MHz — 800 MHz,NFM,MFSK,3.3 kHz,Worldwide,,
+EFR Teleswitch,"Europäische Funk-Rundsteuerung (EFR) Teleswitch (European Radio Ripple Control GmbH (ERA) Teleswitch) is an energy management system operated via long-wave radio. Uses two transmitters in Germany and one in Hungary. Also known by DCF39, DCF49 and HGA22.",129.1 kHz — 139.9 kHz,USB,FSK,1 kHz,Europe,,
+ELEKTRO-L GGAK-E Direct Broadcast,Broadcasts the data from the GGAK-E cosmic ray detector onboard ELEKTRO-L geostationary weather satellites,"1,693 MHz",DSB,PSK,15 kHz,"Asia, Europe",,
+Emergency Alert System (EAS),"The Emergency Alert System (EAS) is a national warning system in the United States, implemented since 1997, superceding the Emergency Broadcast System (EBS).",162.4 MHz — 162.55 MHz,NFM,FSK,5 kHz — 30 kHz,United States,,
+Emergency Managers Weather Information Network (EMWIN) - Repeater,The Emergency Managers Weather Information Network (EMWIN) is a system for distributing a live stream of weather information in the United States. This is the VHF Repeater of the network.,163.3 MHz — 168.813 MHz,NFM,AFSK,20 kHz,United States,,
+Enhanced Digital Access Communications System (EDACS),EDACS is a trunked radio system developed by General Electric and Ericsson. EDACS was invented by General Electric in the mid-80s and is currently owned by Harris Corporation. Harris has announced that EDACS systems will no longer be supported by 2017.,160 MHz — 941 MHz,NFM,GFSK,6.25 kHz — 12.5 kHz,Worldwide,,
+Eurobalise downlink,"Downlink from train to balise. A Eurobalise is a specific variant of a balise, a transponder placed between the rails of a railway.",27.095 MHz,AM,,,Europe,,
+FLEX,"FLEX (Flexible Wide Area Paging Protocol) is Motorola's high speed one-way paging protocol that supports 1600, 3200, and 6400 bps. FLEX can transmit tone, numeric, alphanumeric, and binary data.",152.6 MHz — 931.938 MHz,NFM,"FSK, 4FSK",5 kHz,Worldwide,,
+FM Broadcast Radio,"Commercial Broadcast FM radio stations. Used for the broadcast of many different radio programs, including music, news, sports, weather, and talk shows.",65 MHz — 108 MHz,WFM,FM,38 kHz — 200 kHz,Worldwide,,
+FM NBTV,FM NBTV is a method to send moving images in a very narrow bandwidth (maximum 3 KHz),3 MHz — 470 MHz,"SSB, FM","FM, BPSK",2.3 kHz,Worldwide,,
+FSQ,Fast Simple QSO (FSQ) is an amateur radio digital modulation mode developed by Con Wassilieff ZL2AFP with Murray Greenman ZL1BPU in 2015.,3.58 MHz — 10.149 MHz,USB,IFK+,300 Hz,Worldwide,,
+FST4W,"FST4W is an amateur radio digital protocol designed particularly for the LF and MF bands, for quasi-beacon transmissions of WSPR-style messages. FST4W uses 4-GFSK modulation and offers T/R sequence lengths of 120, 300, 900, and 1800 seconds.",136 kHz — 1.839 MHz,USB,4-GFSK,,Worldwide,—,
+FT4,FT4 is an amateur radio contesting communication protocol developed by Joe Taylor (K1JT) and Steve Franke (K9AN) descended from FT8.,10.14 kHz — 144.17 MHz,USB,GFSK,83 Hz,Worldwide,,
+FT8,"FT8 is an extremely-weak-signal amateur radio mode that transmits very limited communications. JS8, a variant of FT8, can send full conversations and relay messages",1.84 MHz — 144.174 MHz,USB,GFSK,50 Hz,Worldwide,,
+FUNcube-1 Telemetry,FUNcube-1 Telemetry is a telemetry signal sent from the Funcube-1 Cubesat amateur radio satellite.,145.935 MHz,USB,PSK,2 kHz,Worldwide,,
+Federal Signal Modem-MSK,Signalling protocol developed for Federal Signal's line of civil defense warning siren systems. This signal is used for activation and telemetry of all units in a network.,150 MHz — 160 MHz,NFM,MSK,6 kHz,United States,,
+GMDSS Digital Selective Calling,"Global Maritime Distress and Safety System's Digital Selective Calling (GMDSS-DSC) is a maritime communication protocol intended to initiate ship-to-ship, ship-to-shore and shore-to-ship radiotelephone and MF/HF radiotelex calls.",2.177 MHz — 156.525 MHz,USB,FSK,350 Hz,Worldwide,,
+GOES CDA Telemetry,"Telemetry signal sent from GOES 16, 17 and 18. GOES is a family of Geostationary Operational Environmental Satellite operated by the United States National Oceanic and Atmospheric Administration (NOAA).","1,693 MHz",RAW,BPSK,80 kHz,"United States, Asia",—,
+GOES Data Collection System (DCS),"Comes from the geostationary satellites GOES 16 and GOES 17. Relays information about water levels, lightning strikes, and other information.","1,679.9 MHz — 1,680.2 MHz",USB,8PSK,300 Hz — 1.2 kHz,Worldwide,,
+GOES High Rate Information Transmission (HRIT),GOES HRIT is a retransmission of satellite imagery and other information from the GOES-R series of satellites.,"1,694.1 MHz",RAW,BPSK,1.205 MHz,Worldwide,—,
+GRAVES,"The Grand Réseau Adapté à la Veille Spatiale (GRAVES) system is a French space-surveillance system for low-orbit (up to 1000km) satellites. Emitter is based near Dijon, France.",143.05 MHz,RAW I/Q,,1 kHz,France,,
+Glenayre Paging Link,"Glenayre's Paging Link. With QAM being used, It is a way to upkeep a linked paging transmitter when no data is broadcast. Glenayre C2100/C2000 model control systems were likely to use this.",152 MHz — 512 MHz,NFM,QAM,,United States,,
+Global Positioning System (GPS),"GPS is the USA's global navigation satellite system which provides precision position, navigation, and timing services to devices around the globe.","1,176.45 MHz — 1,575.42 MHz",USB,"BPSK, QAM, DSSS, BOC, TMBOC",22 MHz — 25 MHz,Worldwide,,
+Global System for Mobile Communications (GSM),"GSM (Global System for Mobile Communications) is a standard developed by ETSI to describe the protocols for second-generation (2G) digital cellular networks used by mobile phones. As of 2014, it has become the default global standard for mobile communications.","450 MHz — 1,900 MHz","RAW, AM, FM",GMSK,200 kHz,Worldwide,,
+Gonets,"Gonets (Russian Гонец, for Messenger) is a Russian civilian low Earth orbit communications satellite system.",265 Hz — 388 MHz,NFM,GMSK,20 kHz,Worldwide,,
+Graw DFM-17 (Radiosonde),Radiosonde developed by Graw/Noris Group GmbH for upper air weather observation,400 MHz — 405.99 MHz,NFM,GFSK,10 kHz,Worldwide,,
+Grimeton Radio (SAQ),"SAQ stands as the sole transmitter reliant on an alternating current generator. Recognized as a UNESCO World Heritage site, it employs the last operational Alexanderson alternator for RF production.",17.2 kHz — 40.4 kHz,CW,,,Sweden,,
+HC-265 Voice Scrambler,HC-265 is a Voice Scrambling mode developed by Hagelin Crypto for their HC-265 CRYPTOCOM secure voice unit.,3 MHz — 30 MHz,USB,FSK,2.25 kHz — 3 kHz,Worldwide,,
+HD Radio (AM),"HD Radio is a proprietary digital broadcast radio format transmitted in North America, usually as sidebands on analog carriers. This is the AM band implementation of HD Radio.",535 kHz — 1.7 MHz,RAW,OFDM,30 kHz,United States,,
+HD Radio (FM),"HD Radio is a proprietary digital broadcast radio format transmitted in North America, usually as sidebands on analog carriers. This is the FM band implementation of HD Radio.",87.7 MHz — 107.9 MHz,RAW,OFDM,400 kHz,United States,,
+HFGCS (High Frequency Global Communications System),HFGCS is a series of networks deployed by the United States Air Force to send encoded messages to deployed aircraft. This network is well known for it's coded EAM's (Emergency Action Messages) used for coordinating United States Strategic Nuclear Forces.,4.724 MHz — 15.016 MHz,USB,USB,2.95 kHz,Worldwide,,
+HORYU-4 Telemetry,Telemetry signal sent from the HORYU-4 university-class satellite Launched by Kyushu Institute of Technology in Japan,437.375 MHz,USB,BPSK,,Worldwide,,
+High Frequency Data Link (HFDL),"HFDL, also known as HF-ACARS, ARINC 753, ARINC 635, and HF DATALINK,is a data link that aircraft use to communicate short messages over long distances using HF signals.",2.9 MHz — 22 MHz,USB,PSK,2.4 kHz,Worldwide,,
+High Frequency Data and Voice Link (HFDVL),HFDVL (or HFD+VL) is an experimental mode developed by research groups from The University of Las Palmas de Gran Canaria and The Polytechnic University of Madrid. This mode is intended for military use in accordance with STANAG 5066 parameters.,14.35 MHz — 14.829 MHz,USB,"PSK, OFDM, QAM",3 kHz,Spain,,
+High Resolution Data (HRD),The HRD direct broadcast is an X-band continuous downlink from NOAA JPSS satellites of mission environmental data to users on the ground that are equipped with a suitable receiver.,"7,812 MHz",RAW,"OQPSK, QPSK",25 MHz — 35 MHz,Worldwide,—,
+Horus Binary 4FSK - v2,"An efficient RTTY-like 4FSK mode that transmits binary data, used for amateur high altitude balloon telemetry. Developed by the Project Horus group.",431 MHz — 434 MHz,USB,4FSK,1 kHz,Worldwide,,
+Hyundai Mobis RKE-4F16 Key Fob,Hyundai Mobis RKE-4F16 Wireless Key Fob for Hyundai Sonata models 2014-Present.,433.92 MHz,WFM,FSK,110 kHz,Worldwide,,
+ICAO Selcal,"ICAO Selcal (also known as AVCALL, ANNEX 10, or just SELCAL) is a HF/VHF aviation selective calling system used by ground stations to initiate radio communications with aircraft.",3 MHz — 300 MHz,USB,MFSK,1.5 kHz,Worldwide,,
+ICARUS (International Cooperation for Animal Research Using Space),ICARUS aims its services primarily at scientific groups that perform basic and application-oriented research with migrating animals.,468.1 MHz,NFM,PSK,32 kHz,Worldwide,,
+ICV,"ICV is a NATO-operated VLF transmitted located in the island of Tavolara, Sardinia, Italy.",20.27 kHz — 20.76 kHz,CW,MSK,,Italy,,
+ILS Marker Beacon,"ILS Marker Beacons are used by aircraft for Instrument Landing Systems, transmitted by an upward-facing directive antenna at known distances along the approach path.",75 MHz,AM,OOK,3 kHz,Worldwide,,
+Inmarsat Aero,"Inmarsat Aero is the protocol that's used to link ground stations with aircraft via Inmarsat's satellite link. This protocol carries digital voice, fax and low speed data such as ACARS and ADS-C.","1,545 MHz — 3,687 MHz",USB,PSK,800 Hz — 10.5 MHz,Worldwide,,
+Inmarsat-C TDM,Inmarsat C provides two-way data and messaging communication services to and from virtually anywhere in the world. The low-cost terminals and antennas are small enough to be fitted to any size of ship.,"1,537.7 MHz — 1,539.685 MHz",USB,PSK,2.5 kHz,Worldwide,,
+Instrument Landing System,Radio navigation system that allows aircraft to perform precision approaches in low visibility conditions.,108 MHz — 335 MHz,AM,,15 kHz,Worldwide,,
+Integrated Digital Enhanced Network (iDEN),iDEN is a TDMA-based digital wireless standard developed by Motorola. It is a type of trunked radio with cellular phone benefits.,806 MHz — 869 MHz,NFM,"QAM, TDMA",18.5 kHz,Worldwide,,
+Interferance signal from old computer screen,"A very crunchy signal coming from my Old hyundai computer screen, the sound changes depending on what is shown on the screen",639.006 MHz,"AM, DSB",,23 kHz,WORLDWIDE,,
+Ionized Meteor Trails,Meteors traversing the E region of the atmosphere approximately 60 - 90 miles up create ionizing trails which can reflect and refract radio waves from commercial FM radio stations that are hundreds and sometimes thousands of miles away from the receiver.,88.3 MHz,FM,,,Worldwide,,
+Ionosonde,An Ionosonde (Also known as a chirpsounder or ionospheric sounder) is a radar that examines the Ionosphere and monitors HF propagation conditions by sweeping the HF band and receiving the echoes.,1 MHz — 40 MHz,USB,FMCW,1 Hz,Worldwide,,
+Iranian Navy QPSK Modem,"Iranian Navy QPSK Modem is a QPSK mode used by the Iranian Navy. It has gone through several versions. The current version (2015) is V2 and supports speeds of 468 Bd, 936 Bd, and 1872 Bd.",8.046 MHz — 17.382 MHz,USB,PSK,300 Hz — 2.85 kHz,Iran,,
+Iridium,This is the L-band uplink/downlink for the Low Earth Orbit Iridium Satellite Constellation. This system is used for satellite based phone calls.,"1,616 MHz — 1,626.5 MHz",RAW,PSK,31.5 kHz,Worldwide,,
+Israeli Navy Hybrid Modem (188-110 MOD),The Israeli Naval Hybrid Modem is based on the MIL-STD-188-110 Serial Standard. Has characteristic preamble with 4/6 Tone and 18 QPSK parallel mode before 110 Serial transmission. Possible use as a broadcast transmitter for ships. Used by the Israeli Navy 4XZ station from Haifa.,3 MHz — 30 MHz,USB,PSK,2.75 kHz,Israel,,
+JJY,"JJY, also known as JJY-40 and JJY-60, is the call sign for a pair of longwave Time Signal stations in Japan.",40 kHz — 60 kHz,USB,AM,1 Hz,Japan,,
+JS8,JS8Call is an extremely-weak-signal amateur radio communication mode based on FT8. It allows FT8 to be used for conversations and message relaying.,1.842 MHz — 50.318 MHz,USB,GFSK,50 Hz,Worldwide,,
+JT65,"JT65 is an amateur radio QSO communication protocol developed by Joe Taylor, K1JT. JT65 has 3 submodes: JT65A, JT65B, and JT65C. The most popular submode of JT65 is JT65A. JT65 gets '65' from the 65 tones it uses.",1.838 MHz — 50.276 MHz,USB,MFSK,180 Hz — 710 Hz,Worldwide,,
+Japanese Slot Machine (XSL),"The Japanese Slot Machine (Enigma Designation XSL) is a simplex system used by the Japanese Maritime Self-Defense Force in Ichihara, Japan.",4.153 MHz — 8.703 MHz,USB,PSK,2 kHz,Japan,,
+Jim Creek (NLK),Jim Creek Naval Radio Station is used by the US Navy to transmit commands to distant submarines.,24.8 kHz,CW,MSK,300 Hz,United States,,
+Jindalee Operational Radar Network (JORN),JORN is an Australian OTHR system that operates uniquely in that it's radar bursts include an intro tone before the burst.,5.7 MHz — 33 MHz,USB,FMCW,3 kHz — 60 kHz,Australia,,
+John Deere RTK Radio 450,"Real-time Kinematic GPS is a satellite navigation technique used to enhance the precision of position data derived from satellite-based positioning systems (global navigation satellite systems, GNSS) such as GPS, BeiDou, GLONASS, Galileo and NavIC.",435 MHz — 470 MHz,FM,FSK,7.49 kHz,Worldwide,,
+Kia SVI-JFRGE04 Key Fob,"Kia SVI-JFRGE04 Keyless entry transponder used for multiple Kia models, for model years 2014-2020",,NFM,FSK,55 kHz,Worldwide,,
+LEOSAR Downlink,Cospas-Sarsat downlink from polar-orbiting weather satellites. The International Cospas-Sarsat Programme is a satellite-aided search and rescue initiative.,"1,544.5 MHz",NFM,PSK,350 kHz,Worldwide,,
+LORAN,LORAN (short for LOng RAnge Navigation) is a hyperbolic radio navigation system.,100 kHz,USB,PPM,20 kHz,Worldwide,,
+LTE Uplink,Acquired via telecommunications carrier hardware during interference investigation of an Australian cellular network.,"700 MHz — 2,600 MHz",SC-FDMA,QPSK,5 MHz,Worldwide,,
+LTE-M,,"412.5 MHz — 2,690 MHz",AM,"OFDMA, 16-QAM",1.08 MHz,Worldwide,,
+Lightning Sferics,VLF RF emissions from lightning in the atmosphere that can affect up to HF frequencies and beyond depending on strength. Has a popping crackle sound with both USB and AM modes of reception.,0 Hz — 30 MHz,,,,Worldwide,,
+Link-11,"Link-11 (Also known as ALLIGATOR, STANAG 5511, TADIL-A, MIL-STD-6011, and MIL-STD-188-203-1A) is a Tactical Data Link standard (formerly known as Tactical Digital Information Link (TADIL) used by NATO and the US Military for Maritime Tactical Data Exchange.",2 MHz — 30 MHz,USB,PSK,2.5 kHz — 6 kHz,Worldwide,,
+Link-11 (UHF),"This is the UHF band variant of Link-11, which is transmitted on a FM carrier. The FM-demodulated baseband is identical to the HF Link-11 waveform.",225 MHz — 399.975 MHz,NFM,PSK,30 kHz,Worldwide,,
+LoJack,"LoJack is a vehicle tracking system that allows vehicles to be tracked by police, with the aim of recovering them in case of theft via a small radio transceiver clandestinely installed in a vehicle.",173.075 MHz,NFM,FFSK,10 kHz,Worldwide,,
+LoRa,LoRa (Long Range) is a proprietary low-power wide-area network modulation technique.,433 MHz — 915 MHz,FM,CSS,250 kHz,Worldwide,,
+Lockheed Martin LMS-6 (Radiosonde),"The LMS-6 is a radiosonde developed by Lockheed Martin which contains a temperature, barometric pressure (On the 1680 MHz models only), and humidity sensor for upper air weather observations.","400 MHz — 1,682 MHz",NFM,GFSK,10 kHz,Worldwide,,
+Logic Trunked Radio (LTR),"Logic Trunked Radio, is an analog trunked radio format developed by EF Johnson Company.",150 MHz — 470 MHz,NFM,FSK,12.5 kHz — 25 kHz,,,
+Logitech(R) Wireless Mouse+Keyboard Signal,This signal comes from Logitech(R) Brand wireless mouse and keyboard combo unit.,"2,400 MHz",RAW,"PPM, GFSK",500 kHz,Worldwide,—,
+Low Rate Picture Transmission (LRPT),"The Low Rate Picture Transmission (LRPT) is a digital transmission system, commonly transmitted by METEOR-M satellites, used to deliver weather images and data.",137 MHz — 138 MHz,RAW,QPSK,120 kHz,Worldwide,—,
+M17 RF Protocol,An open source digital mode developed for amateur and other radio applications.,"30 MHz — 10,500 MHz",NFM,4FSK,9 kHz,Worldwide,,
+M20 Radiosonde,Telemetry signal transmitted by M20 radiosondes,400.15 MHz — 406 MHz,NFM,PSK,30 kHz,Worldwide,,
+MDC1200,"MDC (Motorola Data Communications), also known as Stat-Alert, MDC-1200 and MDC-600, is a Motorola two-way radio low-speed data system.",30 MHz — 960 MHz,FM,AFSK,12.5 kHz — 20 kHz,Worldwide,,
+METEOR-M High Resolution Picture Transmission (HRPT),"A variant of the NOAA HRPT signal, which has a different data structure and better low-signal handling characteristics.","1,700 MHz",RAW,PSK,3 MHz,Worldwide,—,
+METOP Advanced High Resolution Picture Transmission (AHRPT),A high-speed digital link used by METOP weather satellites for direct data dissemination.,"1,701.3 MHz — 1,707 MHz",RAW,QPSK,6 MHz,Worldwide,—,
+MFJ-269C Antenna SWR Analyzer,"Popular antenna analyzer among ham operators and the like. Output power is only ~20mW so if heard, source is nearby. Other MFJ models may be similar.",500 kHz — 500 MHz,"AM, NFM",,1 kHz,Worldwide,,
+MIL-STD-188-110 Appendix B 39-Tone,MIL-STD-188-110 Appendix B is a 39-tone OFDM DQPSK mode used to send data and voice.,3 MHz — 30 MHz,USB,"PSK, OFDM",2.4 kHz,Worldwide,,
+MIL-STD-188-110 Serial,"MIL-STD-188-110 Serial is a US Department of Defense standard for HF Communications, Serial PSK mode. Can transmit both data and voice with a range of interleaving and speed modes for optimal propagation.",3 MHz — 30 MHz,USB,PSK,2.75 kHz,Worldwide,,
+MOBITEX,"MOBITEX is an OSI based open standard, national public access wireless packet-switched data network.",400 MHz — 900 MHz,NFM,"GMSK, FFSK",15 kHz,Worldwide,,
+MONITOR-2(RS39S),Monitor-2 is a Russian 3u Cubesat used for cosmic flare observation. It is most likely only active when above Russia.,435.815 MHz,FM,AFSK,12.5 kHz,Worldwide,,
+MPT 1327,MPT1327 (Ministry of Posts and Telegraph 1327) is a signaling protocol standard for analog trunked radio,162.5 MHz — 800 MHz,NFM,"FFSK, FM",10 kHz — 25 kHz,Worldwide,,
+MRZ-3MK Weather Balloon (radiosonde),MRZ-3MK is a Russian weather radiosonde.,"1,680 MHz",AM,PFM,6 MHz,Russia,—,
+MRZ-N1 Weather Balloon (radiosonde),MRZ-N1 is a russian weather radiosonde.,403 MHz,FM,FSK,5 kHz,Russia,,
+MSK144,MSK144 is a Minimum Shift Keying FSK signal used for amateur radio meteor-scatter contacts. It transmits 144 bit long packets at a baudrate of 2000 bps using frequencies 1000 and 2000 Hz.,50 MHz — 440 MHz,FM,MSK,2.5 kHz,Worldwide,,
+MSM-1250 Modem,"MSM-1250 (Medium Speed Modem) is a 10 FSK-2 OFDM digital data protocol used by the stand-alone modem ""SkyFax"", used to transmit and receive faxes on HF.",3 MHz — 30 MHz,USB,FSK,2.4 kHz — 2.5 kHz,Worldwide,,
+MT63,MT63 is a Orthogonal Frequency Division Multiplexed (OFDM) digital data mode aimed for use in high noise environments.,3 MHz — 30 MHz,USB,"OFDM, PSK",500 Hz — 2 kHz,Worldwide,,
+Mazda SKE126-01 Key Fob,SKE126-01 Key Fob used for multiple Mazda models between 2006-2014. Manufactured by Mitsubishi Electric Company.,433.413 MHz,WFM,FSK,100 kHz,Worldwide,,
+Mazielka (X06),"Mazielka (X06) is a diplomatic selcall system used by the Russian Ministry of Foreign Affairs. Used to alert that a Serdolik transmission is going to occur soon, usually on a different frequency.",4.963 MHz — 23.458 MHz,USB,MFSK,200 Hz,Russia,,
+Meteomodem M10 Weather Balloon (Radiosonde),Weather balloon (radiosonde) telemetry data.,400 MHz — 406 MHz,NFM,PSK,30 kHz,Worldwide,,
+Meteomodem PilotSonde Weather Balloon,Weather balloon telemetry data.,400 MHz — 406 MHz,NFM,FSK,15 kHz,Worldwide,,
+Microsonde Mark II Weather Balloon - LORAN-C signal (Radiosonde),Weather balloon telemetry data. The LORAN-C signal is mixed into the carrier.,400 MHz — 406 MHz,WFM,FSK,130 kHz,Worldwide,,
+Milstar,"UHF FHSS Downlink of Milstar, a US joint military service satellite communications system that provides secure, jam resistant, worldwide communications. Nicknamed 'Waterdroplets' for it's characteristic waveform and sound.",243.785 MHz — 243.822 MHz,RAW,FHSS,50 kHz,Worldwide,,
+Modernised High Frequency Communications System (MHFCS),"The Modernised High Frequency Communications System (MHFCS) is an Australian Department of Defense HF System for their military communications network. Also known as AUS MIL ISB Modem, AUS MHFCS, and ADF HFCS.",2.01 MHz — 27.478 MHz,USB,FSK,400 Hz — 750 Hz,Australia,,
+Morse Code (CW),CW Morse Code is the simplest form of transmission found virtually all over the RF bands for a variety of uses. The most common use of this is for Call-sign Beacons by both Amateur and Military operators.,"3 kHz — 250,000 MHz",CW,OOK,,Worldwide,,
+Motorola ASTRO 25 HPD Air Interface,Motorola's ASTRO 25 High Performance Data Air Interface allows Motorola ASTRO 25 HPD modems to transfer data at up to 96 kbps over a 25 kHz channel in the 700 MHz or 800 MHz bands.,769 MHz — 869 MHz,RAW,QAM,17.7 kHz,United States,,
+Motorola Type II,Radio trunking control channel.,136 MHz — 941 MHz,NFM,FSK,16 kHz,Worldwide,,
+Multi Frequency Shift Keying (MFSK),MFSK is a family of multi-frequency shift keying digital transmission modes. MFSK-8 and MFSK-16 are two well-known amateur radio modes.,3 MHz — 30 MHz,USB,MFSK,154 Hz — 630 Hz,Worldwide,,
+Multitone Paging,"Multitone Paging signal, developed by Multitone Electronics in the UK. Uses similar coding to POCSAG but the headers are different and only work with Multitone's range of paging products",25 MHz — 470 MHz,NFM,FFSK,12.5 kHz — 25 kHz,Worldwide,,
+NB-IOT,Narrowband Internet of Things (NB-IoT) is a Low Power Wide Area Network (LPWAN) radio technology standard developed by 3GPP to enable a wide range of cellular devices and services.,"700 MHz — 1,900 MHz",AM,QPSK,200 kHz,Worldwide,,
+NFM Voice,Used in analog walkie-talkies and communication systems.,27 MHz — 864 MHz,NFM,FM,5 kHz — 30 kHz,Worldwide,,
+NML,Naval Radio Transmitter Facility (NRTF) transmits encrypted commands to submerged US submarines.,25.2 kHz,CW,FSK,300 Hz,United States,,
+NOAA Direct Sounder Broadcast (DSB),"The Direct Sounder Broadcast (DSB) is an auxiliary telemetry downlink from NOAA Polar Operational Environmental Satellites (POES), transmitted alongside Automatic Picture Transmission (APT) broadcasts.",137.35 MHz — 137.77 MHz,NFM,PSK,33.5 kHz,Worldwide,,
+NOAA POES High Resolution Picture Transmission (HRPT),A digital link to transmit images and other data collected from the satellite at a high resolution.,"1,698 MHz — 2,247.5 MHz",RAW,PSK,3 MHz,Worldwide,—,
+NOV,"TACAMO (take charge and move out) is the back up communications system to the US nuclear submarine fleet in case an attack on land based transmitters disables them. A rotating fleet of Navy E6 jets equipped with 200 KW transmitters and two 2½-mile-long trailing wire antennas (TWA) at 35,000 ft altitude to provide 24/7 coverage. Short pings are transmitted every few seconds.",26.9 kHz,CW,,,Worldwide,,
+NPM,Naval Radio Transmitting Facility (NRTF) sends encrypted commands to submerged US naval submarines in the Pacific.,21.4 kHz,CW,FSK,300 Hz,United States,,
+NWC,Naval Communication Station (NCS) Harold E. Holt. Used jointly by the Australian and United States navies to transmit encrypted orders to submerged submarines in the Pacific.,19.8 kHz,CW,FSK,300 Hz,Australia,,
+Near Field Communication (NFC),Near-field communication (NFC) is a set of communication protocols that enables communication between two electronic devices over a distance of 4 cm (11⁄2 in) or less.,13.56 MHz,,ASK,1.7 MHz,Worldwide,—,
+Near Instantaneous Companded Audio Multiplex (NICAM),NICAM is used to provide digital stereo audio alongside PAL video for television broadcasts.,174 MHz — 700 MHz,RAW,PSK,400 kHz,Worldwide,—,
+Next Generation Digital Narrowband (NXDN),"NXDN is a digital narrowband trunked radio protocol used in commercial, business & industry, transport and Public Safety professional radio systems.",136 MHz — 520 MHz,NFM,C4FM,6.25 kHz — 12.5 kHz,Worldwide,,
+Nokia Adaptive Message Terminal,"The Nokia Adaptive Message Terminal, also known as Nokia Adaptive Burst Modem and Kryapp 302, is a Finnish encrypted messaging system suggested to be used by Finnish Intelligence Services and Swedish Military.",3 MHz — 30 MHz,USB,FSK,1 kHz — 1.6 kHz,Worldwide,,
+Non-Directional Beacon (NDB),"A Non-Directional Beacon (NDB) is a ground-based, low frequency radio transmitter used as an instrument approach for airports and offshore platforms.",190 kHz — 1.8 MHz,CW,A2A (AM),2 kHz,Worldwide,,
+North Korean Diplo FSK,"North Korean Diplomatic FSK link, teletype radio diplomatic usage. Also known as DPRK-FSK, KRE-FSK, DPRK-ARQ, and KEGURI. Has a FEC stream mode and a burst ARQ mode.",9 MHz — 29 MHz,USB,FSK,1.2 kHz — 1.4 kHz,North Korea,,
+OFDM NBTV,"OFDM NBTV is an analog technique, in fact it is a true Fuzzy design as well. The transmission technique used is quite different from conventional TV",3 Hz — 30 MHz,SSB,Analog OFDM,2 kHz,Worldwide,,
+OPERA Beacon and Data,"OPERA Ad-Hoc Data/Beacon. The system is unique in that utilizes a serial data stream and Manchester coding, its therefore impossible to lose lock and its extremely robust in disturbed paths and heavy static.","136 kHz — 10,000 MHz",USB,ASK,1 Hz,Worldwide,,
+Olivia,OLIVIA is an amateur digital teletype mode designed by Pawel Jalocha SP9VRC in 2005. Its goal was to be effective even in poor propagation conditions.,3 MHz — 30 MHz,USB,MFSK,125 Hz — 2 kHz,Worldwide,,
+"One Beep, Two Beeps","One Beep, Two Beeps is a nickname given to a signal emitted by the Norwegian Navy communications center in Bodø",4.5 MHz — 6.429 MHz,USB,,,Norway,,
+OpenSky,OpenSky is an encrypted TDMA protocol that is heavily used but is being phased out by the Pennsylvania State Police. No one other than the intended user has been able to decrypt the signal.,"700 MHz — 1,000 MHz",NFM,TDMA,20.07 kHz,Worldwide,,
+Orbcomm,Orbcomm satellites are used for monitoring and sending short text messages.,137 MHz — 150 MHz,NFM,SDPSK,15 kHz,Worldwide,,
+PACKET,"Packet, also known as FSK300, AFSK1200, BPSK300, QPSK600, BPSK1200, QPSK2400, AX.25 and IL2P, is a packet based protocol derived from X.25 and HDLC computer network protocols. Packet radio is a synchronous system in which data is transmitted in frames.",3 MHz — 800 MHz,USB,FSK,730 Hz,Worldwide,,
+PACTOR I,PACTOR-I is a digital data protocol combining elements of PACKET and AMTOR ARQ.,3 MHz — 30 MHz,USB,FSK,300 Hz,Worldwide,,
+PACTOR II,PACTOR II is an advancement of PACTOR I. It is up to 8 times faster than PACTOR I.,3 MHz — 30 MHz,USB,PSK,450 Hz,Worldwide,,
+PACTOR III,"PACTOR III introduces 6 speed levels that provide higher throughput and improved robustness compared to PACTOR I and II. PACTOR III is on average 3.5 times faster than PACTOR II. With optimal conditions, PACTOR III becomes over 5 times faster.",3 MHz — 30 MHz,USB,PSK,400 Hz — 2.4 kHz,Worldwide,,
+PACTOR IV,"PACTOR IV is the newest iteration of the PACTOR series, advancing from PACTOR I-III. It is 1.5x-3x faster than PACTOR III, and has 10 speed levels.",3 MHz — 30 MHz,USB,"PSK, QAM",300 Hz — 2.4 kHz,Worldwide,,
+PLUTO II OTH Radar,PLUTO II is an Over The Horizon Radar located in the Sovereign Base Area just outside RAF Akrotiri in Cyprus. PLUTO II is very active in Europe.,8 MHz — 38 MHz,USB,FMCW,20 kHz — 40 kHz,Cyprus,,
+POCSAG,"POCSAG (Post Office Code Standardisation Advisory Group), also known as Super-POCSAG, Radio Paging Code No. 1 or RPC1, is a one-way 2FSK paging protocol that supports 512, 1200, and 2400 bps.",25 MHz — 932 MHz,NFM,FSK,9 kHz,Worldwide,,
+PSK Paging link,"Also known as PSK paging, is a signal that allows side-by-side PSK to exist in AFSK paging links, allowing for more dynamically processed DSP available.",150 MHz — 470 MHz,FM,PSK,12.5 kHz,United States,,
+Panther-H Modem,Panther-H is an intelligent frequency hopping transceiver developed by Racal (now Thales Group). Has a signature 8-burst SOC (Start Of Conversation) sync procedure. Used in Panther-2000H radios,1.5 MHz — 30 MHz,USB,PSK,3 kHz,Worldwide,,
+Phase Shift Keying (PSK),PSK is a digital teletype mode based on Phase-Shift Keying (PSK) modulation. The most popular amateur radio PSK mode is PSK 31.,1.838 MHz — 909 MHz,USB,PSK,10 Hz — 1 kHz,Worldwide,,
+Polish Intelligence 100bd 625Hz FSK,"One-way broadcast system, used by one of Polish intelligence agencies for delivery of messages to their operatives abroad on fixed schedules.",4 MHz — 20 MHz,USB,FSK,3.5 kHz,Poland,,
+Positive Train Control (PTC),Positive train control (PTC) is a system of functional requirements for monitoring and controlling train movements as an attempt to provide increased safety.,220 MHz,RAW,,20 kHz,United States,,
+Primary Aeronautical Surveillance Radar,A Primary radar (PSR Primary Surveillance Radar) is a conventional radar sensor that illuminates a large portion of space with an electromagnetic wave and receives back the reflected waves from targets within that space.,"1,215 MHz — 1,400 MHz",RAW,Pulse,3 MHz,Worldwide,,
+Primex Wireless Time Sync,Primex Wireless Time Sync is a VHF Time Synchronization signal used in Primex Wireless's XR Series.,72.02 MHz — 72.98 MHz,NFM,PSK,20 kHz,Worldwide,,
+ProVoice,ProVoice is a digital voice mode used in EDACS trunked systems.,160 MHz — 941 MHz,NFM,GFSK,,Worldwide,,
+Project 25 (P25),Project 25 (P25 or APCO-25) is a trunked radio standard developed by The Association of Public Safety Communications Officials International (APCO-25) for use with public safety organizations around the world.,136 MHz — 859 MHz,NFM,"PSK, C4FM, TDMA",12.5 kHz,Worldwide,,
+QO-100-modem,High speed modem for qo-100 amateur satellite narrow transponder.,"10,489.5 MHz — 10,490 MHz",USB,"QPSK, BPSK, APSK",2.7 kHz,,,
+Quadcopter Telemetry Signal,"This signal originates from the Silicon Instruments Si1000 Software Defined Radio (SDR) that is a component of the 3DR Telemetry Radio, sold for use as a data link between a computer ground station and a UAV ""a drone"".",414 MHz — 935 MHz,FHSS-TDM,"BPSK, QAM, 8PSK",,Worldwide,No Audio File,
+RBU,RBU is a time code radio station located in Moscow. It transmits a continuous 10 kW time code on 66.66 kHz.,66.66 kHz,USB,FSK,650 Hz,Russia,,
+RDL,RDL is a Russian VLF station located in Krasnodar. It is one of the few VLF stations that changes modes during routine transmissions.,18.1 kHz,CW,"FSK, CW-FSK",,Russia,,
+ROS,ROS is an amateur radio teletype free running QSO mode designed for low signal/high noise conditions.,1.8 MHz — 30 MHz,USB,DSSS,2 kHz,Worldwide,,
+RWM,RWM is a Russian shortwave time signal station.,4.996 MHz — 14.996 MHz,USB,OOK,5 Hz,Russia,,
+Radio Data Link Access Procedure (RD-LAP),"Motorola's Radio Data Link Access Procedure (RD-LAP) is a 1G protocol that was used in ARDIS and DataTAC Networks, and is still used in some MDT's, as well as gas companies, police departments, fire departments, financial companies, etc.",150 MHz — 850 MHz,NFM,4FSK,12.5 kHz — 25 kHz,Worldwide,,
+Radio Data System (RDS),"Radio Data System (RDS) and its North American variant, Radio Broadcast Data System (RBDS), are data modes transmitted on subcarriers of commercial FM radio station transmissions.",65 MHz — 108 MHz,DSB,PSK,4 kHz,Worldwide,,
+Radio Teletype (RTTY),RTTY (Also known as Baudot or ITA2) uses the Baudot 5-bit alphabet with FSK to send text messages over the shortwave. This mode is gradually dying out in favor of more robust modes like PSK31 in the amateur service.,147.3 kHz — 28.15 MHz,USB,FSK,85 Hz — 850 Hz,Worldwide,,
+Radioteknicheskaya Systema Dalyoloiy Navigatsii (RSDN-20),"Russian Hyperbolic Radio Navigation System. Presumed to be used for Russian submarines and aircraft in the northern hemisphere, possibly worldwide.",11.91 kHz — 14.88 kHz,CW,,20 Hz,Russia,,
+ReFLEX,ReFLEX is a two-way paging variant of FLEX.,896 MHz — 941 MHz,NFM,FFSK,40 kHz,United States,,
+Relocatable Over-the-Horizon Radar (ROTHR),"Relocatable Over-the-Horizon Radar (ROTHR), also known as AN/TPS-71, is an OTH Radar used by the United States Navy that uses bistatic ionospheric backscattering for wide area surveillance.",5 MHz — 28 MHz,USB,FMCW,4 kHz — 100 kHz,United States,,
+Robust PACKET,"Robust PACKET, also known as HF-APRS, RPR, Winlink RMS, and APRSlink, is an OFDM version of the amateur mode PACKET which is optimized for shortwave use. This mode was developed by Spezielle Communications Systeme GmbH & Co. KG (SCS).",3.61 MHz — 14.103 MHz,USB,"PSK, OFDM",500 Hz,Worldwide,,
+Russian Intelligence 200bd 1000Hz FSK,"One-way error-correcting broadcast system, used by one of Russian intelligence agencies for delivery of messages to their operatives abroad on fixed schedules.",4 MHz — 23 MHz,USB,FSK,1 kHz,Russia,,
+Russian overhead power line telemetry system,"Russian telemetry system, transmitted over the overhead power lines.",50 kHz — 1 MHz,USB,FSK,400 Hz,Russia,,
+S-Band Jammer,This is what the signal of a military S-Band (In this case 2.4 GHz) RADAR and WiFi intentional interference (Jamming) device looks like. This signal is generated by a DDS system and is then used to modulate the output of a 2.45 GHz magnetron (The same as in a microwave oven).,"2,400 MHz",,Noise,100 kHz — 100 MHz,Worldwide,—,
+SAS/SRC,Swedish navy transmitter for submarine communication. It shares the antenna with SAQ (Grimeton Radio),40.4 kHz,,MSK,,Sweden,,
+SAS2,"Swedish navy transmitter for submarine communication. It shares the antenna with SAQ (Grimeton Radio) and is activated less often as the other Swedish transmitters used for VLF submarine communication. Usually, it works with reduced power.",42.5 kHz,,MSK,,Sweden,,
+SAS3,Swedish navy transmitter for submarine communication. It shares the antenna with SAQ (Grimeton Radio).,44.2 kHz,,MSK,,Sweden,,
+SHR,Swedish navy transmitter for submarine communication. It shares the antenna with SAQ (Grimeton Radio).,38 kHz,,MSK,,Sweden,,
+SITOR-A,"SITOR-A (Also known as AMTOR-A) is one of two modes of SITOR, which stands for Simplex Teletype Over Radio.",3 MHz — 30 MHz,USB,FSK,350 Hz,Worldwide,,
+SITOR-B,SITOR-B is one of two modes of SITOR (Simplex Teletype Over Radio).,3 MHz — 30 MHz,USB,FSK,350 Hz,Worldwide,,
+SNOTEL (Snow Telemetry),SNOTEL stations are a set of precipitation and other sensors spread across the mountains of the United States by the Department of Agriculture through the National Resources Conservation Service.,40.67 MHz,NFM,PSK,9 kHz,United States,,
+SNOTEL (Snow Telemetry),SNOTEL stations are a set of precipitation and other sensors spread across the mountains of the United States by the Department of Agriculture through the National Resources Conservation Service.,40.67 MHz,NFM,PSK,9 kHz,United States,,
+STANAG 4197,STANAG 4197 is a NATO QPSK OFDM signal used in ANDVT modems that transmit encrypted digital voice over HF.,3 MHz — 30 MHz,USB,"PSK, OFDM",2.3 kHz,Worldwide,,
+STANAG 4285,"STANAG 4285 is specified by the NATO (North Atlantic Treaty Organization) Military Agency for Standardization in ""Characteristics of 1200 / 2400 / 3600 Bits per Second Single Tone Modulators / Demodulators for HF Radio Links""",1.89 MHz — 22.7 MHz,USB,PSK,2.75 kHz,Worldwide,,
+STANAG 4481,"STANAG 4481, also known as CRATT, Link-4, and NATO-75, is specified by the NATO (North Atlantic Treaty Organization) Military Agency for Standardization as a ""Minimum technical equipment standards for naval HF shore-to-ship broadcast system""",2.815 MHz — 18.016 MHz,USB,"FSK, PSK",1.5 kHz — 2.75 kHz,Worldwide,,
+STANAG 5065,"STANAG 5065 is defined as ""Minimum Standards for Naval Low Frequency (LF) Shore-To-Ship Surface Broadcast Systems"", with two primary protocols, FSK75 and MSK300.",50 kHz — 160 kHz,USB,"FSK, MSK",235 Hz — 360 Hz,Worldwide,,
+STP403 Bus PIT System,STP403 is a bus PIT system used to update digital displays at bus stops. STP403 was developed by French companies INEO and CESATEC.,164 MHz — 468.488 MHz,NFM,FFSK,8 kHz,France,,
+Saab Grintek MHF-50 MFSK Modem,"The MHF-50 MFSK Modem by Saab Grintek Technologies in South Africa is a data modem that utilizes RTTY, 2-FSK, and 33-MFSK to transmit data",4.245 MHz — 12.982 MHz,USB,"MFSK, FSK",2.2 kHz,South Africa,,
+Secondary surveillance radar (SSR),Secondary surveillance radar (SSR)is a radar system used in air traffic control. A surveillance radar system which uses transmitters/receivers (interrogators) and transponders.,"1,030 MHz",RAW,PPM,3 MHz,Worldwide,,
+Sensus Water meter (Acquisition units),These are samples from the Sensus Water meters. They are a FHSS ASK encoded data transmission for purposes of providing municipalities water meter telemetry (for billing how much water you use).,902 MHz — 927 MHz,,"ASK, FHSS",175 MHz,Worldwide,—,
+Serdolik,Serdolik is a MFSK signal used by the Russian diplomatic service.,3 MHz — 30 MHz,USB,MFSK,1.4 kHz,Russia,,
+Siemens 1.5T MRI Scanner,Radio signal used by MRI machines to excite protons and obtain their response.,64 MHz,,,,Worldwide,,
+Siemens CHX-200 FSK Modem,"CHX200, also known as Siemens CHP200 and PRC-921/GY, is a backpack HF ECCOM transceiver, designed and built by Siemens.",1.5 MHz — 30 MHz,USB,FSK,300 Hz,Worldwide,,
+Single Sideband Voice,"Single-sideband voice is a subtype of AM voice modulation. It is used in HF amateur bands and for weak signal VHF and UHF voice, as well as aircraft weather reports.",3 MHz — 30 MHz,SSB,AM,1.9 kHz,Worldwide,,
+Single frequency russian overhead power line telemetry system,"Russian telemetry system, transmitted over the overhead power lines.",50 kHz — 1 MHz,SSB,AM,300 Hz,Russia,,
+SiriusXM Satellite Radio,SiriusXM Satellite Radio: Terrestrial Repeater Signal,"2,332.5 MHz — 2,345 MHz",RAW,"OFDM, PSK",12.5 MHz,United States,,
+SkyOFDM,Data transmission mode developed by SkySweep Technologies in Finland. Probably used by Finnish MFA,3 MHz — 30 MHz,USB,"PSK, OFDM",2 kHz — 2.4 kHz,Finland,,
+Slow-Scan Television (SSTV),Slow-scan television (SSTV) is a method for picture transmission used by amateur radio operators to transmit and receive images.,3 MHz — 450 MHz,"USB, LSB, NFM",FM,2.5 kHz,Worldwide,,
+Snap Circuits SCROV-10 Remote Control,A remote control transmission from the controller from an Elenco Snap Circuits SCROV-10 kit.,27.145 MHz,RAW,ASK,6 kHz,,,
+Soyuz-MS spacecraft telemetry,PCM-FM Soyuz-MS spacecraft telemetry.,166 MHz,USB,"PCM, FM",250 kHz,Worldwide,,
+SuperDARN (Super Dual Auroral Radar Network),SuperDARN (Super Dual Auroral Radar Network) is an international radar network used for scientific purposes. The network is used to study plasma convection in the upper atmosphere.,8 MHz — 20 MHz,USB,,6 kHz,Worldwide,,
+Supervisory Control And Data Acquisition (SCADA),Supervisory Control And Data Acquisition (SCADA) is a control system architecture that is used in industrial applications for computerized automated systems. Wireless telemetry is used on RTU's to send data to control units for operators to utilize.,413 MHz — 950 MHz,FM,FSK,12 kHz,,,
+Switch-mode power supply interference,"Switch-mode power supplies, used in many types of electronic devices, can generate RF noise on wide frequency ranges.",10 kHz — 200 MHz,USB,,,Worldwide,,
+T-230-1A 'Mahovik',"Mahovik, ""Flywheel"" in Russian, is a PSK based mode that can transmit both voice and data. It is transmitted from a Russian T-230-1A radio transceiver.",3 MHz — 30 MHz,USB,PSK,2.5 kHz,Russia,,
+TDF,TDF is a time signal transmitted on the former carrier of France's France Inter longwave AM radio station on 162 kHz.,162 kHz,USB,PSK,1 Hz,France,,
+Tactical Air Navigation System (TACAN),Radio navigation technology that measures the slant range (distance) between an aircraft and a ground station by timing the propagation delay of radio signals.,"960 MHz — 1,213 MHz",,,,Worldwide,,
+Terrestrial Trunked Radio (TETRA),TETRA is a professional mobile radio and two-way transceiver (walkie-talkie) specification,380 MHz — 430 MHz,NFM,PSK,25 kHz,Worldwide,,
+Tetrapol,Tetrapol is a digital professional mobile radio standard for digital voice and data communication used by public safety and military throughout Europe. Tetrapol was originally developed by Matra Communication (Currently part of EADS/Airbus Group) in France in the 1980's.,370 MHz — 400 MHz,NFM,GMSK,10 kHz — 12.5 kHz,Europe,,
+Thales Système 3000 HF Modem,Thales Système 3000 is a HF modem capable of many different modes of transmission. It has a unique preamble and format to it's signals.,1.5 MHz — 30 MHz,USB,"PSK, MFSK",2 kHz — 3 kHz,Worldwide,,
+The Alarm,"Channel marker of a Russian military station nicknamed ""The Alarm"". ""The Alarm"" is a Russian military commandment network serving the Western Military District. So far, apart from test counts, it has not been heard with any actual traffic.",4.77 MHz,USB,,2.4 kHz,Russia,,
+The Buzzer (ZhUOZ MDZhB UZB76),"The Buzzer, call-sign NZhTI (formerly ANVF, ZhUOZ, MDZhB and UZB-76), is a Russian Military Commandment system signal used to broadcast diplomatic ciphered messages known as ""monolit"" to the russian navy. If there is no message to broadcast, its ""homing"" signal is a loud ship-horn buzzing sound. It is believed to serve a similar purposes to The Alarm and The Air Horn.",4.625 MHz — 6.998 MHz,AM,USB,2.8 kHz,Russia,,
+The Goose,"Channel marker of the Russian military station nicknamed ""The Goose"", for its distinct channel marker sound. Uses 3243 kHz in nighttime, and 4310kHz in daytime.",3.243 MHz — 4.31 MHz,USB,AM,3.1 kHz,Russia,,
+The Pip,"The Pip is the nickname given by radio listeners to a shortwave radio station that broadcasts on the frequency 5448 kHz by day, and 3756 kHz during the night. It broadcasts short, repeated beeps at a rate of around 50 per minute, for 24 hours per day. The beep signal is occasionally interrupted by voice messages in Russian. The Pip has been active since around 1986 when its distinctive beeping sound was first recorded by listeners. While its official name or callsign is not known, some of the voice transmissions begin with the code 8S1Shch (Cyrillic: 8С1Щ), which is generally considered to be the name of the station. However, this code may not be a callsign, but instead, serve some other purpose. Radioscanner.ru identifies the owner of this station as a North-Caucasian military district communication center with callsign ""Akacia"" (ex-72nd communication center, Russian ""72 узел связи штаба СКВО"")",3.756 MHz — 5.448 MHz,"USB,AM",,,Russia,,
+Tire Pressure Monitoring System (TPMS),"TPMS (Tire-Pressure Monitoring System), more specifically Direct TPMS (dTPMS), is a system that uses pressure sensors to monitor tire pressure on vehicles.",315 MHz — 434 MHz,AM,FSK,100 kHz,Worldwide,,
+Toyota Car Key,Wireless entry rolling code car key.,315 MHz — 433 MHz,AM,,40 kHz,Worldwide,,
+Transit 5B-5,"Transit 5B-5, a former TRANSIT navigation satellite, is the oldest satellite known to still transmit a signal. Considered ""dead"" because its navigational systems failed after 19 days of operation, it still emits a telemetry signal when illuminated.",136.658 MHz,WFM,"PCM, PAM, FM, PM",32 kHz,Worldwide,,
+UK AM Data System (UK-AMDS),UK AM Data System (UK-AMDS) was developed by BBC Research and Development in 1984 as a way to transmit low bitrate data on BBC Radio 4's LF AM carrier. Elements of this system were adopted into ETSI's AMSS.,198 kHz,SSB,"AM, PSK",85 Hz,United Kingdom,,
+UK GOV MIL WINDRM51,"UK GOV/MIL ""WinDRM51"" variant. Unknown purpose, But link between UK & Cyprus has been found some years ago.",9.104 MHz — 13.451 MHz,USB,OFDM,2.5 kHz,Europe,,
+UTC (Coordinated Universal Time) Time Standard,"UTC (Coordinated Universal Time) time standard transmission from NIST (National Institute of Standards and Technology) stations WWV in Fort Collins, Colorado USA and WWVH in Kauai, Hawaii.",2.5 MHz — 25 MHz,AM,,4 kHz,United States,,
+Ultra Low Latency (ULL) Electronic Trading Network,"A 48k or 24k baud OQPSK signal that is strongly suspected (through numerous circumstancial pieces of evidence) to be either an experimental or active P2P RF link between financial market data centers, used for High Frequency Trading (HFT) and other latency-sensitive market activities.",6 MHz — 20 MHz,RAW,OQPSK,30 kHz — 60 kHz,United States,,
+VARA HF,VARA HF is a sound-card mode used to exchange traffic (Mostly Winlink traffic) on the HF bands,1.8 MHz — 54 MHz,USB,"BPSK, 4-8PSK, 16-32QAM, FSK",2.75 kHz,Worldwide,,
+VEZHA-S,"Two-way 100 Bd/500 Hz Russian Telegraph system, attributed name VEZHA-C (Tower-S), usage claimed to be by Russian Ministry of Communications (MinComSvyaz Rossii). Possible usage in meteorology under callsign RWD59.",2.755 MHz — 12.165 MHz,USB,FSK,650 Hz,Russia,,
+VHF Data Link - Mode 2 (VDL-M2),VDL-M2 (Known as VDL2 or VDLM2) is a means of sending information between aircraft and ground stations. VDL Mode 2 is the only VDL mode being implemented operationally to support Controller Pilot Data Link Communications (CPDLC). An extension to the AVLC protocol permits ACARS over AVLC (AOA) transmissions. VDL-M2 is implemented by Eurocontrol.,117.975 MHz — 137 MHz,RAW,PSK,25 kHz,Worldwide,,
+VHF Omnidirectional Range (VOR),A type of radio navigation system used by aircraft. It is distinctive in that the center frequency is flanked by two FM waves.,108 MHz — 117.95 MHz,NFM,"AM, FM",21 kHz,Worldwide,,
+Vaisala RS41-SG Weather Balloon (Radiosonde),Weather balloon (radiosonde) telemetry data.,400 MHz — 406 MHz,NFM,GFSK,4.8 kHz,Worldwide,,
+Vaisala RS92-SGP Weather Balloon (Radiosonde),Weather balloon (radiosonde) telemetry data.,400.15 MHz — 405.99 MHz,NFM,GFSK,10 kHz,Worldwide,,
+Vehicle Counting System,Data transmitted from a vehicle counting system installed in car parks. The data is frequency hopping over 10 MHz.,915 MHz — 925 MHz,RAW,FSK,10 MHz,Australia,—,
+Vietnamese Siren Jammer,"Used to interrupt AM boardcast stations such as Radio Free Asia, Radio Đáp Lời Song Núi as well as Radio Sweden.",1 MHz — 20 MHz,USB,Unknown,2.7 MHz,Worldwide,,
+Visonic MCT-201,"MCT-201 is a Miniature Pendant PowerCode Wireless Transmitter by Visonic. It is designed for emergency and control applications in wireless security systems, and home automation and remote control systems.",315 MHz — 868 MHz,USB,PWM,5 kHz,Worldwide,,
+WEFAX,"Radiofax (Also known as Weatherfax, HF-FAX, WEFAX, and Weather Facsimile) is a slow scan analog image transmission mode used for the transmission of weather charts and meteorological reports.",3 MHz — 30 MHz,USB,FM,3 kHz,Worldwide,,
+WSPR,Weak Signal Propagation Reporter.,"136 kHz — 1,296.5 MHz",USB,MFSK,6 Hz,Worldwide,,
+WWVB,WWVB is the lowest frequency time signal in the USA.,60 kHz,CW,AM,1 Hz,United States,,
+Wireless Hydrophone System (WHS),,434.225 MHz,RAW,PPM,,Europe,,
+Wireless Temperature Sensor,"The freezer temperature is requested by a master at regular intervals, and the slave attached to a freezer responds. The communication format appears to be a variant of chirp spread spectrum, (although the spectrum it consumes is quite narrow at ~150 kHz).",434 MHz,Chirp Spread Spectrum,,150 kHz,Australia,,
+XMPP trials,XMPP (Extensible Messaging and Presence Protocol) on shortwave is used by the military and are known for using MIL 188-110A Serial HF waveform and 6-bit code clear text with dual bursts of STANAG-5439 and STANAG-5066 as for XMPP Multi-User Chat (MUC) messages,2 MHz — 7.8 MHz,USB,"PSK, QAM",34 kHz,Worldwide,,
+Yaesu System Fusion,"System Fusion is Yaesu's digital voice/data protocol for amateur radio, using the AMBE+2 vocoder on a C4FM signal.",144 MHz — 450 MHz,FM,4FSK,16 kHz,Worldwide,,
+Électricité de France HNZ,Electrical substation SCADA protocol used by EDF (Électricité de France).,68.5 MHz — 73.3 MHz,FM,AFSK,8 kHz,France,,