FAA Flight Control/SELCALL
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| - | 5547 Khz, USB. Flight traffic control for transoceanic flights, Central Pacific routes 1&2. Pilots are required to test the HF transmitter during pre-departure flight checks, and this can occasionally be heard along with general in flight traffic. Frequency is also used for SELCALL transmissions. | + | 5547 Khz, USB. Flight traffic control for transoceanic flights, Central Pacific routes 1&2. Pilots are required to test the HF transmitter during pre-departure flight checks, and this can occasionally be heard along with general in flight traffic. Frequency is also used for SELCALL transmissions. Although this and other HF aircraft frequencies may be going away due to most of the major air carriers switching to satellite radio technology, even with CPDLC (Controller to Pilot Data Link Control - aka satellite Text based position reports), pilots still contact Gander radio and Shanwick radio for HF updates at 30 degrees west, whether going west or east on the Northern Atlantic routes. |
Revision as of 22:18, 1 March 2009
5547 Khz, USB. Flight traffic control for transoceanic flights, Central Pacific routes 1&2. Pilots are required to test the HF transmitter during pre-departure flight checks, and this can occasionally be heard along with general in flight traffic. Frequency is also used for SELCALL transmissions. Although this and other HF aircraft frequencies may be going away due to most of the major air carriers switching to satellite radio technology, even with CPDLC (Controller to Pilot Data Link Control - aka satellite Text based position reports), pilots still contact Gander radio and Shanwick radio for HF updates at 30 degrees west, whether going west or east on the Northern Atlantic routes.
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