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Text File  |  1992-03-24  |  14KB  |  375 lines
  1. March 23, 1992
  2.  
  3.  From: Leroy.Donnelly@ivgate.omahug.org (Leroy Donnelly)
  4.  Subject: Air Fone Frequencies
  5.  Reply-To: leroy.donnelly%drbbs@ivgate.omahug.org
  6.  Organization: DRBBS Technical BBS, Omaha
  7.  
  8. A subject had been brought up on what the frequencies are used for
  9. in-flight air-to-ground.  The following should clear up the questions.
  10.  
  11. The FCC has issued rules on allocation of the 849-851/894-895 MHz
  12. bands for air-ground radiotelephone service.
  13.  
  14. The new action, effective September 9, 1991:
  15.  
  16.      1) changes channel spacing from GTE Airfone Inc.'s de
  17.           facto standards;
  18.  
  19.      2) orders GTE to make its service available to other
  20.           air-ground licensees at non-discriminatory rates;
  21.  
  22.      3) divides each channel block into 6 control channels
  23.           (P-1 through P-6) and 29 communications channels
  24.           (C-1 through C-29);
  25.  
  26.      4) provides for a communications channel bandwidth of 6
  27.           kHz;
  28.  
  29.      5) gives GTE 22 months to modify its current control
  30.           channel scheme; during this period, GTE can use
  31.           the lower 20 kHz of each channel block, which
  32.           includes channels C-1, C-2, and C-3, for control.
  33.           GTE then has another 38 months during which it can
  34.           only use a 3.2 kHz control channel in channel C-2
  35.           of each channel block. After these transition
  36.           periods end (September of 1996), GTE must switch
  37.           to control channels marked P-1 through P-6 in the
  38.           tables below;
  39.  
  40.      6) empowers the FCC to assign exclusively one control
  41.           channel to each air-ground licensee;
  42.  
  43.      7) limits the ERP of airborne stations to 30 watts;
  44.           maximum, and that of ground stations to 100 watts
  45.           maximum;
  46.  
  47.      8) limits the ERP of ground stations to 1 watt when
  48.           communicating with aircraft on the ground.
  49.  
  50.                GROUND TO AIR CHANNELS
  51.  
  52. (NOTE" "GB" in these listings denotes Guard Band, a series
  53. of 3 kHz spacings to separate communications channels from
  54. control channels)
  55.  
  56. CH. #                         CHANNEL BLOCK
  57.  
  58.                10        9         8         7         6
  59. C-1       849.0055  849.2055  849.4055  849.6055  849.8055
  60. C-2       849.0115  849.2115  849.4115  849.6115  849.8115
  61. C-3       849.0175  849.2175  849.4175  849.6175  849.8175
  62. C-4       849.0235  849.2235  849.4235  849.6235  849.8235
  63. C-5       849.0295  849.2295  849.4295  849.6295  849.8295
  64. C-6       849.0355  849.2355  849.4355  849.6355  849.8355
  65. C-7       849.0415  849.2415  849.4415  849.6415  849.8415
  66. C-8       849.0475  849.2475  849.4475  849.6475  849.8475
  67. C-9       849.0535  849.2535  849.4535  849.6535  849.8535
  68. C-10      849.0595  849.2595  849.4595  849.6595  849.8595
  69. C-11      849.0655  849.2655  849.4655  849.6655  849.8655
  70. C-12      849.0715  849.2715  849.4715  849.6715  849.8715
  71. C-13      849.0775  849.2775  849.4775  849.6775  849.8775
  72. C-14      849.0835  849.2835  849.4835  849.6835  849.8835
  73. C-15      849.0895  849.2895  849.4895  849.6895  849.8895
  74. C-16      849.0955  849.2855  849.4955  849.6955  849.8955
  75. C-17      849.1015  849.3015  849.5015  849.7015  849.9015
  76. C-18      849.1075  849.3075  849.5075  849.7075  849.9075
  77. C-19      849.1135  849.3135  849.5135  849.7135  849.9135
  78. C-20      849.1195  849.3195  849.5195  849.7195  849.9195
  79. C-21      849.1255  849.3255  849.5255  849.7255  849.9255
  80. C-22      849.1315  849.3315  849.5315  849.7315  849.9315
  81. C-23      849.1375  849.3375  849.5375  849.7375  849.9375
  82. C-24      849.1435  849.3435  849.5435  849.7435  849.9435
  83. C-25      849.1495  849.3495  849.5495  849.7495  849.9495
  84. C-26      849.1555  849.3555  849.5555  849.7555  849.9555
  85. C-27      849.1615  849.3615  849.5615  849.7615  849.9615
  86. C-28      849.1675  849.3675  849.5675  849.7675  849.9675
  87. C-29      849.1735  849.3735  849.5735  849.7735  849.9735
  88. GB        849.1765  849.3765  849.5765  849.7765  849.9765
  89.                to        to        to        to        to
  90.           849.1797  849.3797  849.5797  849.7797  849.9797
  91. P-6       849.1813  849.3813  849.5813  849.7813  849.9813
  92. P-5       849.1845  849.3845  849.5845  849.7845  849.9845
  93. P-4       849.1877  849.3877  849.5877  849.7877  849.9877
  94. P-3       849.1909  849.3909  849.5909  849.7909  849.9909
  95. P-2       849.1941  849.3941  849.5941  849.7941  849.9941
  96. P-1       849.1973  849.3973  849.5973  849.7973  849.9973
  97.  
  98.  
  99.                5         4         3         2         1
  100. C-1       850.0055  850.2055  850.4055  850.6055  850.8055
  101. C-2       850.0115  850.2115  850.4115  850.6115  850.8115
  102. C-3       850.0175  850.2175  850.4175  850.6175  850.8175
  103. C-4       850.0235  850.2235  850.4235  850.6235  850.8235
  104. C-5       850.0295  850.2295  850.4295  850.6295  850.8295
  105. C-6       850.0355  850.2355  850.4355  850.6355  850.8355
  106. C-7       850.0415  850.2415  850.4415  850.6415  850.8415
  107. C-8       850.0475  850.2475  850.4475  850.6475  850.8475
  108. C-9       850.0535  850.2535  850.4535  850.6535  850.8535
  109. C-10      850.0595  850.2595  850.4595  850.6595  850.8595
  110. C-11      850.0655  850.2655  850.4655  850.6655  850.8655
  111. C-12      850.0715  850.2715  850.4715  850.6715  850.8715
  112. C-13      850.0775  850.2775  850.4775  850.6775  850.8775
  113. C-14      850.0835  850.2835  850.4835  850.6835  850.8835
  114. C-15      850.0895  850.2895  850.4895  850.6895  850.8895
  115. C-16      850.0955  850.2855  850.4955  850.6955  850.8955
  116. C-17      850.1015  850.3015  850.5015  850.7015  850.9015
  117. C-18      850.1075  850.3075  850.5075  850.7075  850.9075
  118. C-19      850.1135  850.3135  850.5135  850.7135  850.9135
  119. C-20      850.1195  850.3195  850.5195  850.7195  850.9195
  120. C-21      850.1255  850.3255  850.5255  850.7255  850.9255
  121. C-22      850.1315  850.3315  850.5315  850.7315  850.9315
  122. C-23      850.1375  850.3375  850.5375  850.7375  850.9375
  123. C-24      850.1435  850.3435  850.5435  850.7435  850.9435
  124. C-25      850.1495  850.3495  850.5495  850.7495  850.9495
  125. C-26      850.1555  850.3555  850.5555  850.7555  850.9555
  126. C-27      850.1615  850.3615  850.5615  850.7615  850.9615
  127. C-28      850.1675  850.3675  850.5675  850.7675  850.9675
  128. C-29      850.1735  850.3735  850.5735  850.7735  850.9735
  129. GB        850.1765  850.3765  850.5765  850.7765  850.9765
  130.                to        to        to        to        to
  131.           850.1797  850.3797  850.5797  850.7797  850.9797
  132. P-6       850.1813  850.3813  850.5813  850.7813  850.9813
  133. P-5       850.1845  850.3845  850.5845  850.7845  850.9845
  134. P-4       850.1877  850.3877  850.5877  850.7877  850.9877
  135. P-3       850.1909  850.3909  850.5909  850.7909  850.9909
  136. P-2       850.1941  850.3941  850.5941  850.7941  850.9941
  137. P-1       850.1973  850.3973  850.5973  850.7973  850.9973
  138.  
  139.                AIR TO GROUND CHANNELS
  140.  
  141. CH. #                         CHANNEL BLOCK
  142.                10        9         8         7         6
  143. C-1       894.0055  894.2055  894.4055  894.6055  894.8055
  144. C-2       894.0115  894.2115  894.4115  894.6115  894.8115
  145. C-3       894.0175  894.2175  894.4175  894.6175  894.8175
  146. C-4       894.0235  894.2235  894.4235  894.6235  894.8235
  147. C-5       894.0295  894.2295  894.4295  894.6295  894.8295
  148. C-6       894.0355  894.2355  894.4355  894.6355  894.8355
  149. C-7       894.0415  894.2415  894.4415  894.6415  894.8415
  150. C-8       894.0475  894.2475  894.4475  894.6475  894.8475
  151. C-9       894.0535  894.2535  894.4535  894.6535  894.8535
  152. C-10      894.0595  894.2595  894.4595  894.6595  894.8595
  153. C-11      894.0655  894.2655  894.4655  894.6655  894.8655
  154. C-12      894.0715  894.2715  894.4715  894.6715  894.8715
  155. C-13      894.0775  894.2775  894.4775  894.6775  894.8775
  156. C-14      894.0835  894.2835  894.4835  894.6835  894.8835
  157. C-15      894.0895  894.2895  894.4895  894.6895  894.8895
  158. C-16      894.0955  894.2855  894.4955  894.6955  894.8955
  159. C-17      894.1015  894.3015  894.5015  894.7015  894.9015
  160. C-18      894.1075  894.3075  894.5075  894.7075  894.9075
  161. C-19      894.1135  894.3135  894.5135  894.7135  894.9135
  162. C-20      894.1195  894.3195  894.5195  894.7195  894.9195
  163. C-21      894.1255  894.3255  894.5255  894.7255  894.9255
  164. C-22      894.1315  894.3315  894.5315  894.7315  894.9315
  165. C-23      894.1375  894.3375  894.5375  894.7375  894.9375
  166. C-24      894.1435  894.3435  894.5435  894.7435  894.9435
  167. C-25      894.1495  894.3495  894.5495  894.7495  894.9495
  168. C-26      894.1555  894.3555  894.5555  894.7555  894.9555
  169. C-27      894.1615  894.3615  894.5615  894.7615  894.9615
  170. C-28      894.1675  894.3675  894.5675  894.7675  894.9675
  171. C-29      894.1735  894.3735  894.5735  894.7735  894.9735
  172. GB        894.1765  894.3765  894.5765  894.7765  894.9765
  173.                to        to        to        to        to
  174.           894.1797  894.3797  894.5797  894.7797  894.9797
  175. P-6       894.1813  894.3813  894.5813  894.7813  894.9813
  176. P-5       894.1845  894.3845  894.5845  894.7845  894.9845
  177. P-4       894.1877  894.3877  894.5877  894.7877  894.9877
  178. P-3       894.1909  894.3909  894.5909  894.7909  894.9909
  179. P-2       894.1941  894.3941  894.5941  894.7941  894.9941
  180. P-1       894.1973  894.3973  894.5973  894.7973  894.9973
  181.  
  182.  
  183.                5         4         3         2         1
  184. C-1       895.0055  895.2055  895.4055  895.6055  895.8055
  185. C-2       895.0115  895.2115  895.4115  895.6115  895.8115
  186. C-3       895.0175  895.2175  895.4175  895.6175  895.8175
  187. C-4       895.0235  895.2235  895.4235  895.6235  895.8235
  188. C-5       895.0295  895.2295  895.4295  895.6295  895.8295
  189. C-6       895.0355  895.2355  895.4355  895.6355  895.8355
  190. C-7       895.0415  895.2415  895.4415  895.6415  895.8415
  191. C-8       895.0475  895.2475  895.4475  895.6475  895.8475
  192. C-9       895.0535  895.2535  895.4535  895.6535  895.8535
  193. C-10      895.0595  895.2595  895.4595  895.6595  895.8595
  194. C-11      895.0655  895.2655  895.4655  895.6655  895.8655
  195. C-12      895.0715  895.2715  895.4715  895.6715  895.8715
  196. C-13      895.0775  895.2775  895.4775  895.6775  895.8775
  197. C-14      895.0835  895.2835  895.4835  895.6835  895.8835
  198. C-15      895.0895  895.2895  895.4895  895.6895  895.8895
  199. C-16      895.0955  895.2855  895.4955  895.6955  895.8955
  200. C-17      895.1015  895.3015  895.5015  895.7015  895.9015
  201. C-18      895.1075  895.3075  895.5075  895.7075  895.9075
  202. C-19      895.1135  895.3135  895.5135  895.7135  895.9135
  203. C-20      895.1195  895.3195  895.5195  895.7195  895.9195
  204. C-21      895.1255  895.3255  895.5255  895.7255  895.9255
  205. C-22      895.1315  895.3315  895.5315  895.7315  895.9315
  206. C-23      895.1375  895.3375  895.5375  895.7375  895.9375
  207. C-24      895.1435  895.3435  895.5435  895.7435  895.9435
  208. C-25      895.1495  895.3495  895.5495  895.7495  895.9495
  209. C-26      895.1555  895.3555  895.5555  895.7555  895.9555
  210. C-27      895.1615  895.3615  895.5615  895.7615  895.9615
  211. C-28      895.1675  895.3675  895.5675  895.7675  895.9675
  212. C-29      895.1735  895.3735  895.5735  895.7735  895.9735
  213. GB        895.1765  895.3765  895.5765  895.7765  895.9765
  214.                to        to        to        to        to
  215.           895.1797  895.3797  895.5797  895.7797  895.9797
  216. P-6       895.1813  895.3813  895.5813  895.7813  895.9813
  217. P-5       895.1845  895.3845  895.5845  895.7845  895.9845
  218. P-4       895.1877  895.3877  895.5877  895.7877  895.9877
  219. P-3       895.1909  895.3909  895.5909  895.7909  895.9909
  220. P-2       895.1941  895.3941  895.5941  895.7941  895.9941
  221. P-1       895.1973  895.3973  895.5973  895.7973  895.9973
  222.  
  223.  
  224. GEOGRAPHICAL CHANNEL BLOCK LAYOUT
  225. (ground stations using the same channel block must be at
  226. least 300 miles apart)
  227.  
  228. LOCATION            CH. BLOCK
  229. ALASKA
  230.      Anchorage      8
  231.      Cordova        5
  232.      Ketchikan      5
  233.      Juneau         4
  234.      Sitka          7
  235.      Yakutat        8
  236. ALABAMA
  237.      Birmingham     2
  238. ARIZONA
  239.      Phoenix        4
  240.      Winslow        6
  241. ARKANSAS
  242.      Pine Bluff     8
  243. CALIFORNIA
  244.      Blythe         10
  245.      Eureka         8
  246.      Los Angeles    4
  247.      Oakland        1
  248.      S. San Fran.   6
  249.      Visalia        7
  250. COLORADO
  251.      Colorado Spgs. 8
  252.      Denver         1
  253.      Hayden         6
  254. FLORIDA
  255.      Miami          4
  256.      Orlando        2
  257.      Tallahassee    7
  258. GEORGIA
  259.      Atlanta        5
  260.      St. Simons Is. 6
  261. HAWAII
  262.      Mauna Kapu     5
  263. IDAHO
  264.      Blackfoot      8
  265.      Caldwell       10
  266. ILLINOIS
  267.      Chicago        3
  268.      Kewanee        5
  269.      Schiller Park  2
  270. INDIANA
  271.      Fort Wayne     7
  272. IOWA
  273.      Des Moines     1
  274. KANSAS
  275.      Garden City    3
  276.      Wichita        7
  277. KENTUCKY
  278.      Fairdale       6
  279. LOUISIANA
  280.      Kenner         3
  281.      Shreveport     5
  282. MASSACHUSETTS
  283.      Boston         7
  284. MICHIGAN
  285.      Bellville      8
  286.      Flint          9
  287.      Sault S. Marie 6
  288. MINNESOTA
  289.      Bloomington    9
  290. MISSISSIPPI
  291.      Meridian       9
  292. MISSOURI
  293.      Kansas City    6
  294.      St. Louis      4
  295.      Springfield    9
  296. MONTANA
  297.      Lewistown      5
  298.      Miles City     8
  299.      Missoula       3
  300. NEBRASKA
  301.      Grand Island   2
  302.      Ogallala       4
  303. NEVADA
  304.      Las Vegas      1
  305.      Reno           3
  306.      Tonopah        9
  307.      Winnemucca     4
  308. NEW MEXICO
  309.      Alamogordo     8
  310.      Albuquerque    10
  311.      Aztec          9
  312.      Clayton        5
  313. NEW JERSEY
  314.      Woodbury       3
  315. NEW YORK
  316.      E. Elmhurst    1
  317.      Schuyler       2
  318.      Staten Island  9
  319. NORTH CAROLINA
  320.      Greensboro     9
  321.      Wilmington     3
  322. NORTH DAKOTA
  323.      Dickinson      7
  324. OHIO
  325.      Pataskala      1
  326. OKLAHOMA
  327.      Warner         4
  328.      Woodward       9
  329. OREGON
  330.      Albany         5
  331.      Klamath Falls  2
  332.      Pendleton      7
  333. PENNSYLVANIA
  334.      Coraopolis     4
  335.      New Cumberland 8
  336. SOUTH CAROLINA
  337.      Charleston     4
  338. SOUTH DAKOTA
  339.      Aberdeen       6
  340.      Rapid City     5
  341. TENNESSEE
  342.      Elizabethton   7
  343.      Memphis        10
  344.      Nashville      3
  345. TEXAS
  346.      Austin         2
  347.      Bedford        1
  348.      Houston        9
  349.      Lubbock        7
  350.      Monahans       6
  351. UTAH
  352.      Abajo Peak     7
  353.      Delta          2
  354.      Escalante      5
  355.      Green River    3
  356.      Salt Lake City 1
  357. VIRGINIA
  358.      Arlington      6
  359. WASHINGTON
  360.      Seattle        4
  361.      Cheney         1
  362. WEST VIRGINIA
  363.      Charleston     2
  364. WISCONSIN
  365.      Stevens Point  8
  366. WYOMING
  367.      Riverton       9
  368.  
  369.  
  370.  --- Ybbat (DRBBS) 8.9 v. 3.13 r.5
  371. DRBBS, Omaha   Yes, Ivgate has alt groups ;-)  (1:285/666.0)
  372.  
  373.  
  374.  
  375.