HFU HF Underground
Loggings => Utility => Topic started by: Kris on May 06, 2026, 2327 UTC
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2315 Up to S9+20, Selcall signals ID and two way announcements
2345 Approximately every hour, the channel receives a 40 kHz wide OTHR signal. Despite this, S. Maria station continues to communicate with aircraft.
The operator is a man as well as from 2355 a woman, her voice is even more intelligible.