HFU HF Underground

Loggings => HF Mystery Signals => Topic started by: Dag on February 27, 2022, 0225 UTC

Title: Repeating signal, 8992 kHz, every 3 minutes, 15 second duration
Post by: Dag on February 27, 2022, 0225 UTC

[url]https://drive.google.com/file/d/1tfIYJ-eluq3YdKkm4AulBEhMqvJYByf1/view?usp=sharing/url]

https://drive.google.com/file/d/1tfIYJ-eluq3YdKkm4AulBEhMqvJYByf1/view?usp=sharing

Title: Re: Repeating signal, 8992 kHz, every 3 minutes, 15 second duration
Post by: ~SIGINT~ on February 27, 2022, 0244 UTC

This noise is reported to originate from Andrews AFB and attributed to issues with the tuning system. The sound is similar to the one you hear on AC tuning up before they transmit.