UHF-VHF Military 311.000 AM STRATCOM/ACC primary 321.000 AM STRATCOM /ACCsecondary 243.000 AM Distress/guard 121.500 AM Distress/guard 415.700 NBFM Air Force One/Two 407.850 NBFM Air Force One/Two 282.800 AM All services search & rescue 287.800 AM USAF/USCG air-sea rescue 381.300 AM Air Combat Command (ACC) primary 381.700 AM USCG search & rescue 381.800 AM USCG search & rescue 239.800 AM USAF weather 342.500 AM USAF weather 287.400 AM USAF refueling air to air nationwide 287.425 AM USAF refueling air to air nationwide 295.400 AM USAF refueling air to air nationwide 296.200 AM USAF refueling air to air nationwide 297.300 AM USAF refueling air to air nationwide 297.600 AM USAF refueling air to air nationwide 297.625 AM USAF refueling air to air nationwide 314.300 AM USAF refueling air to air nationwide 314.325 AM USAF refueling air to air nationwide 324.400 AM USAF refueling air to air nationwide 336.100 AM USAF refueling air to air nationwide 341.400 AM USAF refueling air to air nationwide 352.900 AM USAF refueling air to air nationwide 354.200 AM USAF refueling air to air nationwide 358.200 AM USAF refueling air to air nationwide 359.100 AM USAF refueling air to air nationwide 359.125 AM USAF refueling air to air nationwide 361.700 AM USAF refueling air to air nationwide 366.300 AM USAF refueling air to air nationwide 368.600 AM USAF refueling air to air nationwide 369.200 AM USAF refueling air to air nationwide 370.400 AM USAF refueling air to air nationwide 372.300 AM USAF refueling air to air nationwide 375.700 AM USAF refueling air to air nationwide 375.925 AM USAF refueling air to air nationwide 376.000 AM USAF refueling air to air nationwide 376.075 AM USAF refueling air to air nationwide 376.125 AM USAF refueling air to air nationwide 376.175 AM USAF refueling air to air nationwide 376.025 AM USAF refueling air to air nationwide 376.075 AM USAF refueling air to air nationwide 384.600 AM USAF refueling air to air nationwide 385.400 AM USAF refueling air to air nationwide 388.400 AM USAF refueling air to air nationwide 391.800 AM USAF refueling air to air nationwide 394.600 AM USAF refueling air to air nationwide 394.900 AM USAF refueling air to air nationwide 228.600 AM NORAD 228.900 AM NORAD 234.600 AM NORAD 235.900 AM NORAD 238.400 AM NORAD 239.700 AM NORAD 254.200 AM NORAD 260.800 AM NORAD (AICC) 260.900 AM NORAD 261.400 AM NORAD 267.000 AM NORAD 271.000 AM NORAD 272.000 AM NORAD 273.400 AM NORAD 274.400 AM NORAD 282.600 AM NORAD 278.400 AM NORAD 287.700 AM NORAD 288.400 AM NORAD 293.600 AM NORAD 293.800 AM NORAD 299.000 AM NORAD 309.400 AM NORAD 316.300 AM NORAD 320.600 AM NORAD 324.000 AM NORAD 327.900 AM NORAD 238.000 AM NORAD 336.600 AM NORAD 341.800 AM NORAD 346.200 AM NORAD 346.900 AM NORAD 348.200 AM NORAD 351.500 AM NORAD 355.200 AM NORAD 359.400 AM NORAD 359.800 AM NORAD 374.000 AM NORAD 377.000 AM NORAD 386.000 AM NORAD 387.800 AM NORAD 390.200 AM NORAD 397.800 AM NORAD 398.000 AM NORAD 364.200 AM NORAD 264.900 AM NORAD 255.400 AM Military to FAA 225.400 AM USAF ground control 1 275.800 AM USAF ground control 2 289.400 AM USAF ground control 3 335.800 AM USAF ground control 4 342.500 AM USAF weather 344.600 AM USAF weather 281.000 AM Air Tanker Common 251.900 AM ANG primary 303.000 AM ANG secondary 259.000 AM ARRS Tactical 252.800 AM ARRS Tactical 381.000 AM ARRS TActical 344.600 AM FAA pilot -metro 314.600 AM Military contractors flight test 345.400 AM Military contractors flight test 382.600 AM Military contractors flight test 130.650 AM AMC Command Post VHF 319.400 AM AMC Command Posts 297.000 AM AMC air to air 384.600 AM Air Refueling air to air 385.800 AM Air Refueling air to air 388.400 AM Air Refueling air to air 391.800 AM Air Refueling air to air 394.600 AM Air Refueling air to air 394.900 AM Air Refueling air to air 396.200 AM Air Refueling air to air 286.300 AM Air Refueling air to air 339.200 AM Air Refueling air to air 343.100 AM Air Refueling air to air 266.500 AM Air Refueling air to air 267.800 AM Air Refueling air to air 276.100 AM Air Refueling air to air 279.800 AM Air Refueling air to air 283.900 AM Air Refueling air to air 289.500 AM Air Refueling air to air 291.100 AM Air Refueling air to air 295.800 AM Air Refueling air to air 314.500 AM Air Refueling air to air 318.000 AM Air Refueling air to air 322.800 AM Air Refueling air to air 322.950 AM Air Refueling air to air 352.600 AM Air Refueling air to air 352.700 AM Air Refueling air to air 391.000 AM Air Refueling air to air 276.500 AM Air Refueling air to air 286.200 AM Air Refueling air to air 286.900 AM Air Refueling air to air 287.400 AM Air Refueling air to air 364.200 AM ACC primary 264.900 AM ACC secondary 41.500 AM ARMY helicopters towers 148.000 AM AIR Force/ARMY common Here are the UHF nationwide frequency allocations for USAF auxillary (backup) transmitters and "BUTTON" channel identifiers. Note: these are not classified frequencies and have been widely published. These frequencies are usually reset into an aircraft's auxillary 20 channel Colins UHF transceivers. The primary transceiver is usually preset for the 20 most used frequencies for any given wing or squadron. Those "BUTTON" frequencies are not standard but the following nationwide frequencies are. (all frequencies are AM mode) GUARD: 243.000 MHz BUTTON 1: 265.500 MHz BUTTON 2: 266.600 MHz BUTTON 3: 267.600 MHz BUTTON 4: 268.600 MHz BUTTON 5: 269.900 MHz BUTTON 6: 270.100 MHz BUTTON 7: 271.600 MHz BUTTON 8: 272.700 MHz BUTTON 9: 273.500 MHz BUTTON 10: 274.800 MHz BUTTON 11: 275.800 MHz BUTTON 12: 276.400 MHz BUTTON 13: 277.200 MHz BUTTON 14: 278.400 MHz BUTTON 15: 279.400 MHz BUTTON 16: 280.500 MHz BUTTON 17: 281.200 MHz BUTTON 18: 282.800 MHz BUTTON 19: 283.000 MHz BUTTON 20: 284.200 MHz Note: All these frequencies are from published sources, so those of you out there who might think we are giving away secret information shouldn't worry.