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TUCoPS :: Radio :: airphone.txt

Airfone Frequencies





Listening In to Air-Ground Phone Communications
*****************************************

Some people in our hobby find that listening to 800 mhz cellular
communications is interesting.  Those who do, might find that some real
inside, juicy stuff could be found being broadcast from the private jets
carrying entertainment industry executives, business leaders, and
goverment officials across this great land of ours.

The frequency assignments  are as follows:
Channel        Ground          Plane
 1             454.950         459.950
 2             454.900         459.900
 3             454.850         459.850
 4             454.800         459.800
 5             454.750         459.750
 6             454.700         459.700
 7             454.725         459.725
 8             454.775         459.775
 9             454.825         459.825
10             454.875         459.875
11             454.925         459.925
12             454.975         459.975
CALL           454.675         459.675

The Ground stations broadcast an annoying tone when not in use.  The
Planes broadcast in simplex only, while the Ground station broadcast
duplex similar to cordless phone base/handset operation.  The easiest way
to monitor this service is to load first a Plane frequency then a Ground
frequency for each channel.  After loading all the channels go back and
lock out all of the Ground frequencies.  Scan the Plane frequencies for
simplex transmissions and when you get a hit, press your manual key to
jump to the next frequency... the locked out ground frequency
broadcasting in duplex!

Please keep in mind that the services provided on these frequencies are
Common Carrier and perhaps subject to the same laws covering the
monitoring of Cellular Phones.  In which case it is a violation of
federal law to listen to these frequencies.

Prepared by EQKimball



and........
ag800.txt
Al Quaglieri
Subj: Air-ground phone freqs

The FCC has issued rules on allocation of the 849-851/894-
895 MHz bands for air-ground radiotelephone service.

The new action, effective September 9, 1991:

     1) changes channel spacing from GTE Airfone Inc.'s de
          facto standards;

     2) orders GTE to make its service available to other
          air-ground licensees at non-discriminatory rates;

     3) divides each channel block into 6 control channels
          (P-1 through P-6) and 29 communications channels
          (C-1 through C-29);

     4) provides for a communications channel bandwidth of 6
          kHz;

     5) gives GTE 22 months to modify its current control
          channel scheme; during this period, GTE can use
          the lower 20 kHz of each channel block, which
          includes channels C-1, C-2, and C-3, for control.
          GTE then has another 38 months during which it can
          only use a 3.2 kHz control channel in channel C-2
          of each channel block. After these transition
          periods end (September of 1996), GTE must switch
          to control channels marked P-1 through P-6 in the
          tables below;

     6) empowers the FCC to assign exclusively one control
          channel to each air-ground licensee;

     7) limits the ERP of airborne stations to 30 watts;
          maximum, and that of ground stations to 100 watts
          maximum;

     8) limits the ERP of ground stations to 1 watt when
          communicating with aircraft on the ground.

               GROUND TO AIR CHANNELS

(NOTE" "GB" in these listings denotes Guard Band, a series
of 3 kHz spacings to separate communications channels from
control channels)

CH. #                         CHANNEL BLOCK

               10        9         8         7         6
C-1       849.0055  849.2055  849.4055  849.6055  849.8055
C-2       849.0115  849.2115  849.4115  849.6115  849.8115
C-3       849.0175  849.2175  849.4175  849.6175  849.8175
C-4       849.0235  849.2235  849.4235  849.6235  849.8235
C-5       849.0295  849.2295  849.4295  849.6295  849.8295
C-6       849.0355  849.2355  849.4355  849.6355  849.8355
C-7       849.0415  849.2415  849.4415  849.6415  849.8415
C-8       849.0475  849.2475  849.4475  849.6475  849.8475
C-9       849.0535  849.2535  849.4535  849.6535  849.8535
C-10      849.0595  849.2595  849.4595  849.6595  849.8595
C-11      849.0655  849.2655  849.4655  849.6655  849.8655
C-12      849.0715  849.2715  849.4715  849.6715  849.8715
C-13      849.0775  849.2775  849.4775  849.6775  849.8775
C-14      849.0835  849.2835  849.4835  849.6835  849.8835
C-15      849.0895  849.2895  849.4895  849.6895  849.8895
C-16      849.0955  849.2855  849.4955  849.6955  849.8955
C-17      849.1015  849.3015  849.5015  849.7015  849.9015
C-18      849.1075  849.3075  849.5075  849.7075  849.9075
C-19      849.1135  849.3135  849.5135  849.7135  849.9135
C-20      849.1195  849.3195  849.5195  849.7195  849.9195
C-21      849.1255  849.3255  849.5255  849.7255  849.9255
C-22      849.1315  849.3315  849.5315  849.7315  849.9315
C-23      849.1375  849.3375  849.5375  849.7375  849.9375
C-24      849.1435  849.3435  849.5435  849.7435  849.9435
C-25      849.1495  849.3495  849.5495  849.7495  849.9495
C-26      849.1555  849.3555  849.5555  849.7555  849.9555
C-27      849.1615  849.3615  849.5615  849.7615  849.9615
C-28      849.1675  849.3675  849.5675  849.7675  849.9675
C-29      849.1735  849.3735  849.5735  849.7735  849.9735
GB        849.1765  849.3765  849.5765  849.7765  849.9765
               to        to        to        to        to
          849.1797  849.3797  849.5797  849.7797  849.9797
P-6       849.1813  849.3813  849.5813  849.7813  849.9813
P-5       849.1845  849.3845  849.5845  849.7845  849.9845
P-4       849.1877  849.3877  849.5877  849.7877  849.9877
P-3       849.1909  849.3909  849.5909  849.7909  849.9909
P-2       849.1941  849.3941  849.5941  849.7941  849.9941
P-1       849.1973  849.3973  849.5973  849.7973  849.9973

.pa
               5         4         3         2         1
C-1       850.0055  850.2055  850.4055  850.6055  850.8055
C-2       850.0115  850.2115  850.4115  850.6115  850.8115
C-3       850.0175  850.2175  850.4175  850.6175  850.8175
C-4       850.0235  850.2235  850.4235  850.6235  850.8235
C-5       850.0295  850.2295  850.4295  850.6295  850.8295
C-6       850.0355  850.2355  850.4355  850.6355  850.8355
C-7       850.0415  850.2415  850.4415  850.6415  850.8415
C-8       850.0475  850.2475  850.4475  850.6475  850.8475
C-9       850.0535  850.2535  850.4535  850.6535  850.8535
C-10      850.0595  850.2595  850.4595  850.6595  850.8595
C-11      850.0655  850.2655  850.4655  850.6655  850.8655
C-12      850.0715  850.2715  850.4715  850.6715  850.8715
C-13      850.0775  850.2775  850.4775  850.6775  850.8775
C-14      850.0835  850.2835  850.4835  850.6835  850.8835
C-15      850.0895  850.2895  850.4895  850.6895  850.8895
C-16      850.0955  850.2855  850.4955  850.6955  850.8955
C-17      850.1015  850.3015  850.5015  850.7015  850.9015
C-18      850.1075  850.3075  850.5075  850.7075  850.9075
C-19      850.1135  850.3135  850.5135  850.7135  850.9135
C-20      850.1195  850.3195  850.5195  850.7195  850.9195
C-21      850.1255  850.3255  850.5255  850.7255  850.9255
C-22      850.1315  850.3315  850.5315  850.7315  850.9315
C-23      850.1375  850.3375  850.5375  850.7375  850.9375
C-24      850.1435  850.3435  850.5435  850.7435  850.9435
C-25      850.1495  850.3495  850.5495  850.7495  850.9495
C-26      850.1555  850.3555  850.5555  850.7555  850.9555
C-27      850.1615  850.3615  850.5615  850.7615  850.9615
C-28      850.1675  850.3675  850.5675  850.7675  850.9675
C-29      850.1735  850.3735  850.5735  850.7735  850.9735
GB        850.1765  850.3765  850.5765  850.7765  850.9765
               to        to        to        to        to
          850.1797  850.3797  850.5797  850.7797  850.9797
P-6       850.1813  850.3813  850.5813  850.7813  850.9813
P-5       850.1845  850.3845  850.5845  850.7845  850.9845
P-4       850.1877  850.3877  850.5877  850.7877  850.9877
P-3       850.1909  850.3909  850.5909  850.7909  850.9909
P-2       850.1941  850.3941  850.5941  850.7941  850.9941
P-1       850.1973  850.3973  850.5973  850.7973  850.9973

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
.pa
               AIR TO GROUND CHANNELS

CH. #                         CHANNEL BLOCK

               10        9         8         7         6
C-1       894.0055  894.2055  894.4055  894.6055  894.8055
C-2       894.0115  894.2115  894.4115  894.6115  894.8115
C-3       894.0175  894.2175  894.4175  894.6175  894.8175
C-4       894.0235  894.2235  894.4235  894.6235  894.8235
C-5       894.0295  894.2295  894.4295  894.6295  894.8295
C-6       894.0355  894.2355  894.4355  894.6355  894.8355
C-7       894.0415  894.2415  894.4415  894.6415  894.8415
C-8       894.0475  894.2475  894.4475  894.6475  894.8475
C-9       894.0535  894.2535  894.4535  894.6535  894.8535
C-10      894.0595  894.2595  894.4595  894.6595  894.8595
C-11      894.0655  894.2655  894.4655  894.6655  894.8655
C-12      894.0715  894.2715  894.4715  894.6715  894.8715
C-13      894.0775  894.2775  894.4775  894.6775  894.8775
C-14      894.0835  894.2835  894.4835  894.6835  894.8835
C-15      894.0895  894.2895  894.4895  894.6895  894.8895
C-16      894.0955  894.2855  894.4955  894.6955  894.8955
C-17      894.1015  894.3015  894.5015  894.7015  894.9015
C-18      894.1075  894.3075  894.5075  894.7075  894.9075
C-19      894.1135  894.3135  894.5135  894.7135  894.9135
C-20      894.1195  894.3195  894.5195  894.7195  894.9195
C-21      894.1255  894.3255  894.5255  894.7255  894.9255
C-22      894.1315  894.3315  894.5315  894.7315  894.9315
C-23      894.1375  894.3375  894.5375  894.7375  894.9375
C-24      894.1435  894.3435  894.5435  894.7435  894.9435
C-25      894.1495  894.3495  894.5495  894.7495  894.9495
C-26      894.1555  894.3555  894.5555  894.7555  894.9555
C-27      894.1615  894.3615  894.5615  894.7615  894.9615
C-28      894.1675  894.3675  894.5675  894.7675  894.9675
C-29      894.1735  894.3735  894.5735  894.7735  894.9735
GB        894.1765  894.3765  894.5765  894.7765  894.9765
               to        to        to        to        to
          894.1797  894.3797  894.5797  894.7797  894.9797
P-6       894.1813  894.3813  894.5813  894.7813  894.9813
P-5       894.1845  894.3845  894.5845  894.7845  894.9845
P-4       894.1877  894.3877  894.5877  894.7877  894.9877
P-3       894.1909  894.3909  894.5909  894.7909  894.9909
P-2       894.1941  894.3941  894.5941  894.7941  894.9941
P-1       894.1973  894.3973  894.5973  894.7973  894.9973

.pa
               5         4         3         2         1
C-1       895.0055  895.2055  895.4055  895.6055  895.8055
C-2       895.0115  895.2115  895.4115  895.6115  895.8115
C-3       895.0175  895.2175  895.4175  895.6175  895.8175
C-4       895.0235  895.2235  895.4235  895.6235  895.8235
C-5       895.0295  895.2295  895.4295  895.6295  895.8295
C-6       895.0355  895.2355  895.4355  895.6355  895.8355
C-7       895.0415  895.2415  895.4415  895.6415  895.8415
C-8       895.0475  895.2475  895.4475  895.6475  895.8475
C-9       895.0535  895.2535  895.4535  895.6535  895.8535
C-10      895.0595  895.2595  895.4595  895.6595  895.8595
C-11      895.0655  895.2655  895.4655  895.6655  895.8655
C-12      895.0715  895.2715  895.4715  895.6715  895.8715
C-13      895.0775  895.2775  895.4775  895.6775  895.8775
C-14      895.0835  895.2835  895.4835  895.6835  895.8835
C-15      895.0895  895.2895  895.4895  895.6895  895.8895
C-16      895.0955  895.2855  895.4955  895.6955  895.8955
C-17      895.1015  895.3015  895.5015  895.7015  895.9015
C-18      895.1075  895.3075  895.5075  895.7075  895.9075
C-19      895.1135  895.3135  895.5135  895.7135  895.9135
C-20      895.1195  895.3195  895.5195  895.7195  895.9195
C-21      895.1255  895.3255  895.5255  895.7255  895.9255
C-22      895.1315  895.3315  895.5315  895.7315  895.9315
C-23      895.1375  895.3375  895.5375  895.7375  895.9375
C-24      895.1435  895.3435  895.5435  895.7435  895.9435
C-25      895.1495  895.3495  895.5495  895.7495  895.9495
C-26      895.1555  895.3555  895.5555  895.7555  895.9555
C-27      895.1615  895.3615  895.5615  895.7615  895.9615
C-28      895.1675  895.3675  895.5675  895.7675  895.9675
C-29      895.1735  895.3735  895.5735  895.7735  895.9735
GB        895.1765  895.3765  895.5765  895.7765  895.9765
               to        to        to        to        to
          895.1797  895.3797  895.5797  895.7797  895.9797
P-6       895.1813  895.3813  895.5813  895.7813  895.9813
P-5       895.1845  895.3845  895.5845  895.7845  895.9845
P-4       895.1877  895.3877  895.5877  895.7877  895.9877
P-3       895.1909  895.3909  895.5909  895.7909  895.9909
P-2       895.1941  895.3941  895.5941  895.7941  895.9941
P-1       895.1973  895.3973  895.5973  895.7973  895.9973

++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
.pa
GEOGRAPHICAL CHANNEL BLOCK LAYOUT
(ground stations using the same channel block must be at
least 300 miles apart)

LOCATION            CH. BLOCK

ALASKA
     Anchorage      8
     Cordova        5
     Ketchikan      5
     Juneau         4
     Sitka          7
     Yakutat        8
ALABAMA
     Birmingham     2
ARIZONA
     Phoenix        4
     Winslow        6
ARKANSAS
     Pine Bluff     8
CALIFORNIA
     Blythe         10
     Eureka         8
     Los Angeles    4
     Oakland        1
     S. San Fran.   6
     Visalia        7
COLORADO
     Colorado Spgs. 8
     Denver         1
     Hayden         6
FLORIDA
     Miami          4
     Orlando        2
     Tallahassee    7
GEORGIA
     Atlanta        5
     St. Simons Is. 6
HAWAII
     Mauna Kapu     5
IDAHO
     Blackfoot      8
     Caldwell       10
ILLINOIS
     Chicago        3
     Kewanee        5
     Schiller Park  2
INDIANA
     Fort Wayne     7
IOWA
     Des Moines     1
KANSAS
     Garden City    3
     Wichita        7
KENTUCKY
     Fairdale       6
LOUISIANA
     Kenner         3
     Shreveport     5
MASSACHUSETTS
     Boston         7
MICHIGAN
     Bellville      8
     Flint          9
     Sault S. Marie 6
MINNESOTA
     Bloomington    9
MISSISSIPPI
     Meridian       9
MISSOURI
     Kansas City    6
     St. Louis      4
     Springfield    9
MONTANA
     Lewistown      5
     Miles City     8
     Missoula       3
NEBRASKA
     Grand Island   2
     Ogallala       4
NEVADA
     Las Vegas      1
     Reno           3
     Tonopah        9
     Winnemucca     4
NEW MEXICO
     Alamogordo     8
     Albuquerque    10
     Aztec          9
     Clayton        5
NEW JERSEY
     Woodbury       3
NEW YORK
     E. Elmhurst    1
     Schuyler       2
     Staten Island  9
NORTH CAROLINA
     Greensboro     9
     Wilmington     3
NORTH DAKOTA
     Dickinson      7
OHIO
     Pataskala      1
OKLAHOMA
     Warner         4
     Woodward       9
OREGON
     Albany         5
     Klamath Falls  2
     Pendleton      7
.pa
PENNSYLVANIA
     Coraopolis     4
     New Cumberland 8
SOUTH CAROLINA
     Charleston     4
SOUTH DAKOTA
     Aberdeen       6
     Rapid City     5
TENNESSEE
     Elizabethton   7
     Memphis        10
     Nashville      3
TEXAS
     Austin         2
     Bedford        1
     Houston        9
     Lubbock        7
     Monahans       6
UTAH
     Abajo Peak     7
     Delta          2
     Escalante      5
     Green River    3
     Salt Lake City 1
VIRGINIA
     Arlington      6
WASHINGTON
     Seattle        4
     Cheney         1
WEST VIRGINIA
     Charleston     2
WISCONSIN
     Stevens Point  8
WYOMING
     Riverton       9



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