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Author Topic: SFO ATC 8915 USB 0247 UTC 26 May 2017  (Read 926 times)

Offline Corvus

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SFO ATC 8915 USB 0247 UTC 26 May 2017
« on: May 26, 2017, 0248 UTC »
San Francisco ATC with aircraft position reports and flight clearances. Handing out secondary frequency 5574. ATC(?) generating a dual tone during some transmissions.

Edit: Just heard aircraft request "SELCO" check. Tones are call alerts so the crew doesn't have to listen to HF. Learn something new everyday.
« Last Edit: May 26, 2017, 0254 UTC by Corvus »
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