task
stringlengths 12
101
| input
stringlengths 0
6.4k
| output
stringlengths 1
6.03k
| options
sequence | pageTitle
stringlengths 0
632
| outputColName
stringlengths 1
710
| url
stringlengths 15
288
| wdcFile
stringlengths 66
75
|
|---|---|---|---|---|---|---|---|
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7F09 [Study] Start [Question] | What does the accuracy of a frequency counter depend on? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7F10 [Study] Start [Question] | How does a frequency counter determine the frequency of a signal? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7F11 [Study] Start [Question] | What is the purpose of a frequency counter? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7G01 [Study] Start [Question] | What determines the gain and frequency characteristics of an op-amp RC active filter? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7G02 [Study] Start [Question] | What causes ringing in a filter? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7G03 [Study] Start [Question] | What are the advantages of using an op-amp instead of LC elements in an audio filter? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7G04 [Study] Start [Question] | What type of capacitors should be used in a high-stability op-amp RC active filter circuit? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7G05 [Study] Start [Question] | How can unwanted ringing and audio instability be prevented in a multisection op-amp RC audio filter circuit? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7G06 [Study] Start [Question] | What parameter must be selected when selecting the resistor and capacitor values for an RC active filter using an op-amp? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7G07 [Study] Start [Question] | The design of a preselector involves a trade-off between bandwidth and what other factor? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7G08 [Study] Start [Question] | When designing an op-amp RC active filter for a given frequency range and Q, what steps are typically followed when selecting the external components? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7G09 [Study] Start [Question] | When designing an op-amp RC active filter for a given frequency range and Q, why are the external capacitance values usually chosen first, then the external resistance values calculated? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7G10 [Study] Start [Question] | What are the principal uses of an op-amp RC active filter in amateur circuitry? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E7G11 [Study] Start [Question] | Where should an op-amp RC active audio filter be placed in an amateur receiver? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A01 [Study] Start [Question] | Starting at a positive peak, how many times does a sine wave cross the zero axis in one complete cycle? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A02 [Study] Start [Question] | What is a wave called that abruptly changes back and forth between two voltage levels and remains an equal time at each level? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A03 [Study] Start [Question] | What sine waves added to a fundamental frequency make up a square wave? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A04 [Study] Start [Question] | What type of wave is made up of a sine wave of a fundamental frequency and all its odd harmonics? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A05 [Study] Start [Question] | What is a sawtooth wave? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A06 [Study] Start [Question] | What type of wave has a rise time significantly faster than the fall time (or vice versa)? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A07 [Study] Start [Question] | What type of wave is made up of sine waves of a fundamental frequency and all harmonics? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A08 [Study] Start [Question] | What is the peak voltage at a common household electrical outlet? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A09 [Study] Start [Question] | What is the peak-to-peak voltage at a common household electrical outlet? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A10 [Study] Start [Question] | What is the RMS voltage at a common household electrical power outlet? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A11 [Study] Start [Question] | What is the RMS value of a 340-volt peak-to-peak pure sine wave? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A12 [Study] Start [Question] | What is the equivalent to the root-mean-square value of an AC voltage? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A13 [Study] Start [Question] | What would be the most accurate way of measuring the RMS voltage of a complex waveform? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A14 [Study] Start [Question] | For many types of voices, what is the approximate ratio of PEP to average power during a modulation peak in a single-sideband phone signal? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A15 [Study] Start [Question] | In a single-sideband phone signal, what determines the PEP-to-average power ratio? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A16 [Study] Start [Question] | What is the approximate DC input power to a Class B RF power amplifier stage in an FM-phone transmitter when the PEP output power is 1500 watts? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A17 [Study] Start [Question] | What is the approximate DC input power to a Class AB RF power amplifier stage in an unmodulated carrier transmitter when the PEP output power is 500 watts? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8A18 [Study] Start [Question] | What is the period of a wave? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B01 [Study] Start [Question] | What is emission A3C? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B02 [Study] Start [Question] | What type of emission is produced when an AM transmitter is modulated by a facsimile signal? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B03 [Study] Start [Question] | What does a facsimile transmission produce? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B04 [Study] Start [Question] | What is emission F3F? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B05 [Study] Start [Question] | What type of emission is produced when an SSB transmitter is modulated by a slow-scan television signal? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B06 [Study] Start [Question] | If the first symbol of an ITU emission designator is J, representing a single- sideband, suppressed-carrier signal, what information about the emission is described? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B07 [Study] Start [Question] | If the second symbol of an ITU emission designator is 1, representing a single channel containing quantized, or digital information, what information about the emission is described? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B08 [Study] Start [Question] | If the third symbol of an ITU emission designator is D, representing data transmission, telemetry or telecommand, what information about the emission is described? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B10 [Study] Start [Question] | How does the modulation index of a phase-modulated emission vary with RF carrier frequency (the modulated frequency)? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B11 [Study] Start [Question] | In an FM-phone signal having a maximum frequency deviation of 3000 Hz either side of the carrier frequency, what is the modulation index when the modulating frequency is 1000 Hz? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B12 [Study] Start [Question] | What is the modulation index of an FM-phone transmitter producing a maximum carrier deviation of 6 kHz when modulated with a 2-kHz modulating frequency? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B13 [Study] Start [Question] | What is the deviation ratio of an FM-phone signal having a maximum frequency swing of plus or minus 5 kHz and accepting a maximum modulation rate of 3 kHz? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B14 [Study] Start [Question] | In a pulse width-modulation system, why is the transmitter's peak power much greater than its average power? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B15 [Study] Start [Question] | What is one way that voice is transmitted in a pulse-width modulation system? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B17 [Study] Start [Question] | Which of the following describe the three most-used symbols of an ITU emission designator? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B18 [Study] Start [Question] | If the first symbol of an ITU emission designator is G, representing a phase- modulated signal, what information about the emission is described? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B19 [Study] Start [Question] | In a pulse-position modulation system, what parameter does the modulating signal vary? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B20 [Study] Start [Question] | In a pulse-width modulation system, what parameter does the modulating signal vary? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B21 [Study] Start [Question] | How are the pulses of a pulse-modulated signal usually transmitted? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B22 [Study] Start [Question] | In an FM-phone signal, what is the term for the ratio between the deviation of the frequency modulated signal and the modulating frequency? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B23 [Study] Start [Question] | What is meant by deviation ratio? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8B24 [Study] Start [Question] | What is the deviation ratio of an FM-phone signal having a maximum frequency swing of plus or minus 7.5 kHz and accepting a maximum modulation rate of 3.5 kHz? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C01 [Study] Start [Question] | What digital code consists of elements having unequal length? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C02 [Study] Start [Question] | What are some of the differences between the Baudot digital code and ASCII? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C03 [Study] Start [Question] | What is one advantage of using the ASCII code for data communications? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C04 [Study] Start [Question] | What digital communications system is well suited for meteor-scatter Communications at times other than during meteor showers? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C05 [Study] Start [Question] | What type of error control system does Mode A AMTOR use? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C06 [Study] Start [Question] | What type of error control system does Mode B AMTOR use? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C07 [Study] Start [Question] | What is the necessary bandwidth of a 13-WPM international Morse code emission A1A transmission? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C08 [Study] Start [Question] | What is the necessary bandwidth for a 170-hertz shift, 300-baud ASCII emission J2D transmission? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C09 [Study] Start [Question] | What is the necessary bandwidth of a 1000-Hz shift, 1200-baud ASCII emission F1D transmission? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C10 [Study] Start [Question] | What is the necessary bandwidth of a 4800-Hz frequency shift, 9600-baud ASCII emission F1D transmission? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C11 [Study] Start [Question] | What term describes a wide-bandwidth communications system in which the RF carrier varies according to some predetermined sequence? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C12 [Study] Start [Question] | What spread-spectrum communications technique alters the center frequency of a conventional carrier many times per second in accordance with a pseudo-random list of channels? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C13 [Study] Start [Question] | What spread-spectrum communications technique uses a very fast binary bit stream to shift the phase of an RF carrier? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C14 [Study] Start [Question] | What controls the spreading sequence of an amateur spread-spectrum transmission? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C15 [Study] Start [Question] | What makes spread-spectrum communications resistant to interference? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8C16 [Study] Start [Question] | What reduces interference from spread-spectrum transmitters to conventional communications in the same band? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D01 [Study] Start [Question] | What is the term for the amplitude of the maximum positive excursion of a signal as viewed on an oscilloscope? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D02 [Study] Start [Question] | What is the easiest voltage amplitude dimension to measure by viewing a pure sine wave signal on an oscilloscope? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D03 [Study] Start [Question] | What is the relationship between the peak-to-peak voltage and the peak voltage amplitude in a symmetrical waveform? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D04 [Study] Start [Question] | What input-amplitude parameter is valuable in evaluating the signal-handling capability of a Class A amplifier? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D05 [Study] Start [Question] | What is the PEP output of a transmitter that has a maximum peak of 30 volts to a 50-ohm load as observed on an oscilloscope? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D06 [Study] Start [Question] | If an RMS reading AC voltmeter reads 65 volts on a sinusoidal waveform, what is the peak-to-peak voltage? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D07 [Study] Start [Question] | What is the advantage of using a peak-reading voltmeter to monitor the output of a single-sideband transmitter? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D08 [Study] Start [Question] | What is an electromagnetic wave? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D09 [Study] Start [Question] | Which of the following best describes electromagnetic waves traveling in free space? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D10 [Study] Start [Question] | What is meant by circularly polarized electromagnetic waves? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D11 [Study] Start [Question] | What is the polarization of an electromagnetic wave if its magnetic field is parallel to the surface of the Earth? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D12 [Study] Start [Question] | What is the polarization of an electromagnetic wave if its magnetic field is perpendicular to the surface of the Earth? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D13 [Study] Start [Question] | What is the primary source of noise that can be heard in an HF-band receiver with an antenna connected? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D14 [Study] Start [Question] | At approximately what speed do electromagnetic waves travel in free space? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D15 [Study] Start [Question] | To ensure you do not exceed the maximum allowable power, what kind of meter would you use to monitor the output signal of a properly adjusted single- sideband transmitter? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D16 [Study] Start [Question] | What is the average power dissipated by a 50-ohm resistive load during one complete RF cycle having a peak voltage of 35 volts? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E8D17 [Study] Start [Question] | If an RMS reading voltmeter reads 34 volts on a sinusoidal waveform, what is the peak voltage? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A01 [Study] Start [Question] | Which of the following describes an isotropic radiator? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A02 [Study] Start [Question] | When is it useful to refer to an isotropic radiator? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A03 [Study] Start [Question] | How much gain does a 1/2-wavelength dipole have over an isotropic radiator? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A04 [Study] Start [Question] | Which of the following antennas has no gain in any direction? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A05 [Study] Start [Question] | Which of the following describes the radiation pattern of an isotropic radiator? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A06 [Study] Start [Question] | Why would one need to know the feed point impedance of an antenna? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A07 [Study] Start [Question] | What factors determine the radiation resistance of an antenna? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A08 [Study] Start [Question] | What is the term for the ratio of the radiation resistance of an antenna to the total resistance of the system? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A09 [Study] Start [Question] | What is included in the total resistance of an antenna system? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A10 [Study] Start [Question] | What is a folded dipole antenna? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A11 [Study] Start [Question] | What is meant by antenna gain? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A12 [Study] Start [Question] | What is meant by antenna bandwidth? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |
9fd99e4b_mateur_Extra_2002___Hamboozler__Question | [Name] E9A13 [Study] Start [Question] | How can the approximate beamwidth of a beam antenna be determined? | [] | Questions in US Amateur Radio - Amateur Extra 2002 - Hamboozler | Question | http://www.hamboozler.com/questions?poolid=3 | 3/1438042988250.59_20150728002308-00216-ip-10-236-191-2_482962521_0.json |