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are too intermittent for such uses but may carry in-house private audio channels instead. Because all of these, including ATIS, are all audio, they can all be tuned by an analog
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has overtaken analog because multiple channels can be transmitted on one transponder. These signals carry their station ID as
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used to modulate the subcarrier is nominally 1200 Hz, but may vary by as much as 800 Hz (400 to 2000 Hz).
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carrier are also included in transmissions, often at 6.2 MHz and 6.8 MHz, just above the
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and must not exceed 30 seconds in its entire length. The message includes the FCC-assigned
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of 7.1 MHz and must activate automatically any time the station is transmitting. The
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of all transmitters as of March 1, 1991 "in a method that cannot easily be defeated".
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This article is about the satellite TV protocol. For the maritime vessel system, see
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jurisdiction. It is continuously repeated whilst an earth station is using a
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193:" satellite jamming incident. In 2009, HBO and Elmer Musser were awarded a
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K.G. Johannsen (1992). "Automatic transmitter identification system".
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69:"Automatic Transmitter Identification System" television
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issues. The serial number cannot be easily changed.
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60:. Unsourced material may be challenged and removed.
23:. For the airport weather transmitting system, see
220:must be no more than 25 kHz peak when being
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189:The system was developed in response to the "
16:Satellite TV station identification protocol
212:must be no more than 25 kHz from this
134:Automatic Transmitter Identification System
120:Learn how and when to remove this message
163:transmission and only via satellites or
224:. Injection must be at a minimum of −26
195:Technology & Engineering Emmy Award
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270:ATIS encoders must be included in the
179:(FCC) rules for ATIS are set forth in
25:Automatic terminal information service
280:Other subcarriers piggybacked on the
58:adding citations to reliable sources
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350:IEEE Transactions on Broadcasting
177:Federal Communications Commission
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45:needs additional citations for
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308:which may be unrelated to the
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288:of the video signal (even if
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251:of the earth station, its
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204:transmission sent on a
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265:frequency coordination
146:station identification
395:Broadcast engineering
390:Satellite television
298:second audio program
175:on a satellite. The
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54:improve this article
230:unmodulated carrier
218:frequency deviation
150:television channels
325:digital television
310:television network
261:radio interference
228:referenced to the
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241:transmission rate
161:analog television
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52:Please help
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356:: 127-132.
323:. However,
173:transponder
152:carried on
384:Categories
335:References
296:audio and
263:and other
206:subcarrier
202:Morse code
200:ATIS is a
197:for ATIS.
80:newspapers
370:0018-9316
331:instead.
314:Backhauls
290:scrambled
222:modulated
186:§25.281.
110:July 2008
321:receiver
286:bandpass
275:airchain
249:callsign
216:and the
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272:uplink
232:. The
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