A tunnel transmitter allows wireless reception in tunnels.
 It consists of a receiving antenna which receives the signal to be radiated in the tunnel, and a transmitting antenna installed in the tunnel, which is either a Yagi antenna or a line antenna.
 In principle, a tunnel transmitter can work purely passively, in which case the received signal is passed over a cable to the antenna in the tunnel.
 Active systems, however, are more often used.
 In some cases the radio frequency inside the tunnel is different from the one used by the broadcaster.
 More often the program inside is transmitted on the same frequency as outside, in which case the information signal should be demodulated or converted to an intermediate frequency in the outside receiver, and then modulated/shifted back in the transmitter.
 Otherwise feedback may occur.
In a multielement antenna array (such as a Yagi-Uda antenna), the driven element or active element is the element in the antenna (typically a metal rod) which is electrically connected to the receiver or transmitter.
 In a transmitting antenna it is "driven" or "excited" by the RF current from the transmitter, and is the source of the radio waves.
 In a receiving antenna it collects the incoming radio waves for reception, and converts them to tiny oscillating electric currents, which are applied to the receiver.
 Multielement antennas like the Yagi typically consist of a driven element, connected to the receiver or transmitter through a feed line, and a number of other elements which are not driven, called parasitic elements.
 The driven element is often a dipole.
 The parasitic elements act as resonators and couple electromagnetically with the driven element, and serve to modify the radiation pattern of the antenna, directing the radio waves in one direction, increasing the gain of the antenna.
This list of tallest buildings in Sweden ranks skyscrapers in Sweden by height.
 The tallest building in Sweden is the 57-story Turning Torso building, which rises 190.5 m (646 ft), in Malmö and was completed in 2005.
 It also stands as the tallest building in Scandinavia.
 The second-tallest building in the country is the Kaknästornet, with a height of 155 m (509 ft), or 170 m (560 ft) with the antenna included, but the Kista Science Tower in Stockholm, 117 m (384 ft) in height, is the second-tallest skyscraper; it is the highest office building in Sweden.
New York City, the most populous city in the United States, is home to over 6486 completed high rise building of at least 35 meters, of which at least 113 completed are taller than 600 ft .
The tallest building in New York is One World Trade Center, which rises 1776 ft .
 The 104-story skyscraper also stands as the tallest building in the United States, the tallest building in the Western Hemisphere, and the sixth-tallest building in the world.
 The second-tallest building in the city is 432 Park Avenue, standing at 1396 ft , and the third-tallest is the 102-story Empire State Building in Midtown Manhattan, which was finished in 1931 and rises to 1250 ft , increased to 1454 ft by its antenna.
 It is the fifth-tallest building in the United States and the 25th-tallest building in the world.
In a radio antenna, the feed line is the cable or other transmission line that connects the antenna with the radio transmitter or receiver.
 In a transmitting antenna, it feeds the radio frequency (RF) current from the transmitter to the antenna, where it is radiated as radio waves.
 In a receiving antenna it transfers the tiny RF voltage induced in the antenna by the radio wave to the receiver.
 In order to carry RF current efficiently, feed lines are made of specialized types of cable called transmission line.
 The most widely used types of feed line are coaxial cable, twin-lead, ladder line, and at microwave frequencies, waveguide.
The Empire State Building is a 102-story skyscraper located on Fifth Avenue between West 33rd and 34th Streets in Midtown, Manhattan, New York City.
 It has a roof height of 1,250 feet (381 m), and with its antenna included, it stands a total of 1454 ft tall.
 Its name is derived from the nickname for New York, the Empire State.
WXNY-FM is a commercial FM radio station that broadcasts a Spanish-language format.
 It is licensed to New York City.
 WXNY is owned by Univision Radio and broadcasts at 96.3 MHz in the New York City metropolitan area.
 The station has a transmitter atop the Empire State Building.
WSYY-FM (94.9 FM) is a radio station broadcasting for approximately 18¼ hours per day, 7 days a week (from 4:55AM through 11:10PM ET) under the slogan, ""Radio With An Attitude"".
 Playing a mix of oldies/classic hits, adult contemporary, rock music, and some country crossovers, the station broadcasts an Adult Hits/Full-Service format for approximately 16 hours per day, from 6:00AM through 10:00PM ET (reserving the first and, also, the final hour of their broadcast day to "When Radio Was").
 "The Mountain 94.9" carries local high school sports in season.
 "The Mountain 94.9" had also carried the complete schedule of Red Sox Baseball (from 1997 through 2015, prior to becoming a Former Affiliate in 2016, which was when Millinocket's affiliation with the Red Sox Baseball would ultimately be transferred over to co-owned WSYY-AM, thus concluding the frequent interruptions to the music on "The Mountain 94.9" during Baseball season).
 The station currently features programming from CBS Radio and carries CBS Radio News at the top of every hour (and has been an affiliate of that network for many decades).
 Licensed to Millinocket, Maine, United States, the station's broadcast signal serves the Central Penobscot County, Eastern Piscataquis County, and Southern Aroostook County Maine areas, and the station is licensed to serve the town of Millinocket, Maine, the very town where its studios/offices and tower site are located.
 The station is currently owned by Katahdin Communications, Inc.
 WSYY-FM originally went on the air in 1978 on 97.7 FM as WKTR, upgrading to its current facilities in 1984 on 94.9.
 Prior to their "The Mountain 94.9" branding, WSYY-FM used to be referred to as "North Country 95", airing a full-time Country Music format.
 The current format, branding, and slogan was probably adopted around March 1, 2004, when Katahdin Communications, Inc. assumed control of WSYY-FM & WSYY-AM from Katahdin Timberlands, LLC (as a result of the radio station facing increasing land disputes), initially as a short term lease agreement but the transfer of ownership ultimately became permanent.
 Those same land disputes would eventually lead to a loss of WSYY-FM's 23,500 watt transmitter location (featuring an antenna HAAT of 211 meters); as a result, WSYY-FM may have been operating under a Special Temporary Authority License (a 12,000 watt facility with an antenna HAAT of 68 meters via Hammond Ridge on Lake Road, about two miles from Millinocket Municipal Airport), ever since as long ago as late 2007, pending a planned permanent move to a 22,000 watt facility with an antenna HAAT of 198.4 meters (from just off Nicatou Road in Medway, well east of WSYY-FM's old or current transmitter tower location).
 On November 23th, 2016, the CP for this proposed move was modified to a 45,000 watt facility with an antenna HAAT of 146.7 meters, the first time this proposed move has ever received official approval from the FCC.
 WSYY-FM is one of the two Maine affiliates—apart from WLOB—of When Radio Was (7 days a week from 5:00AM through 6:00AM ET and also from 10:00PM through 11:00PM ET), is one of the two Maine affiliates (WWMJ) of The Acoustic Storm (Saturdays from 9:00AM through 12:00PM ET), is Maine's only affiliate of the Crook & Chase syndicated Country Music countdown programming (Sunday afternoons from 2:00PM through 6:00PM ET), and is an affiliate of the Blues Deluxe radio show.
 WSYY-FM/WSYY-AM are unusual in that while these stations are authorized to broadcast 24 hours a day, the stations both have sign-offs every day (WSYY-AM signing off at sun-down, broadcasting only on Weekends (but not between Monday-through-Friday) and WSYY-FM broadcasting for approximately 18¼ hours per day, 7 days a week, WSYY-FM's broadcast day concluding with the 11:00PM ET Top-of-the-Hour CBS Radio newscast and then a Nightly Sign-Off Announcement and then an instrumentation of the American national anthem, followed by Dead Air amidst a Transmitter Power-Down, not Signing Back Onto The Air until 4:55AM ET).
 In Old Town and also Bangor (and continuing southward and/or southwestward), the station has strong FM co-channel interference with Portland-market WHOM (which transmits from atop Mount Washington in New Hampshire, the tallest peak in the Northeast and had for a long time claimed on its website that it has the largest coverage area of any FM station in the United States, its signal spanning five states: NH, ME, VT, MA, NY and also parts of Southern Quebec Province, Canada), this matter being especially problematic before dawn or after dusk.
 In favorable atmospheric conditions, a very weak signal of WHOM can be DX-ed in Millinocket during overnight hours (when WSYY-FM is off-the-air).
In telecommunication, a microstrip antenna (also known as a printed antenna) usually means an antenna fabricated using microstrip techniques on a printed circuit board (PCB).
 They are mostly used at microwave frequencies.
 An individual microstrip antenna consists of a patch of metal foil of various shapes (a patch antenna) on the surface of a PCB, with a metal foil ground plane on the other side of the board.
 Most microstrip antennas consist of multiple patches in a two-dimensional array.
 The antenna is usually connected to the transmitter or receiver through foil microstrip transmission lines.
 The radio frequency current is applied (or in receiving antennas the received signal is produced) between the antenna and ground plane.
 Microstrip antennas have become very popular in recent decades due to their thin planar profile which can be incorporated into the surfaces of consumer products, aircraft and missiles; their ease of fabrication using printed circuit techniques; the ease of integrating the antenna on the same board with the rest of the circuit, and the possibility of adding active devices such as microwave integrated circuits to the antenna itself to make active antennas.
Venets Transmitter (Bulgarian: РРТС Венец) is a facility for FM and TV-broadcasting near Venets and Samuil in Shumen Province, Bulgaria.
 Venets Transmitter uses as antenna tower a 302 metre tall guyed lattice steel mast with rectangular cross section.
 This mast, which was built in 1975, is the tallest radio mast in Bulgaria.
 The TV transmitter, which used it as antenna, was the most powerful TV transmitter in Bulgaria with 50 kW.
 It broadcast the program of BNT 1 on channel 5 and could be received in Romania, Moldova and Ukraine.
 In 2008 due to interference with foreign FM radio stations the transmitter was shut down and broadcasting of BNT 1 was switched to channel 56 on a new NEC transmitter.
 The analogue transmitters were shut down on September 30, 2015 when simulcast period ended and Bulgaria switched to DVB-T.

Question: How tall (antenna included) is the 102-story skyscraper atop which WXNY-FM has a transmitter?
Answer: 1454 ft