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AIRFONE FREQUENCIES
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Copied by: John Johnson, KWV8BP
Source: Monitor America
On October 15, 1984, Airfone, Inc. began to offer air-to-ground telephone
service for commercial airline passengers. Using special cordless Tele-
phones which accept standard credit cards, the system offers three-minute
calls for a minimum charge of $750. A network of ground stations carries
the transmissions; computer control "hands off" calls from one gound
station to another as airliners move in & out of range. Thirty-two channels
are assigned to each transmission site, following the same pattern in each
case except for the lowest frequency assigned. All stations transmit on AM
single sideband (A3A).
Transmitter Sites Frequency Begin Transmitter Sites Frequency Begins
----------------- --------------- ----------------- ----------------
Abajo Peak, UT 945.204 Las Vegas, NV 945.404
Albuquerque, NM 945.804 Los Angeles, CA 944.604
Atlanta, GA 945.404 Meridian, MS 945.604
Austin, TX 944.204 Miami, FL 944.404
Boston, MA 945.204 Monahans, TX 945.004
Bridgeton, MO 944.604 Nashville, TN 944.404
Burlingame, CA 945.204 New Orleans, LA 945.004
Charleston, SC 944.604 Orlando, FL 945.004
Charleston, WV 944.204 Phoenix, AZ 944.804
Chicago, IL 945.804 Pittsburgh, PA 944.804
Delta, UT 944.204 Seattle, WA 944.604
Denver, CO 944.604 Shreveport, LA 945.804
Des Moines, IA 944.204 Springfield, MO 945.404
Fort Wayne, IN 945.204 Tallahassee, FL 944.804
Grand Island, NE 944.404 United States 899.000
Hawthorne, NV 945.604 (Nationwide Channel)
Houston, TX 945.404 Washington, DC 944.604
Irving, TX 944.804 Wilmington, NC 945.204
Jamaica, NY 945.204 Woodward, OK 945.604
Klamath Falls, OR 945.884
Channeling Plan
Channels are separated by 6 KHz except for the last channel assigned to each
location, which is 10 KHz higher than the preceding channel. For example, if
the first channel in a group is 944.204, the sequence would be:
944.204 944.210 944.216 944.222 944.228 944.234 944.240
944.246 944.252 944.258 944.264 944.270 944.276 944.282
944.288 944.294 944.300 944.306 944.312 944.318 944.324
944.330 944.336 944.342 944.348 944.354 944.360 944.366
944.342 944.348 944.354 944.360 944.366 944.372 944.378
944.384 944.394
Aircraft Mobile Telephone Channels
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Calling 454.675 5 454.750 9 454.825
1 454.950 6 454.700 10 454.875
2 454.900 7 454.725 11 454.925
3 454.850 8 454.775 12 454.975
4 454.800
I read some where, not too long back, todays date is 8/89 that the Airfone
900.0 frequencies were to be moved to another channel plan, if anyone has
information on any updates to this please let me know.
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