HF Mystery Signals

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[1] Chirps near 280KHz (Not HF, I know...

[2] 9977 kHz at ~6kHz wide Data?

[3] MOVED: Mystery Signal

[4] 9024 kHz, DSB, oddity, 03 April, 2020, 0420 UTC

[5] Pips Network, multiple frequencies, 0905 to 1020 UTC, 29 January, 2020

[6] Long Dashers, possibly similar to Pips Network, multiple frequencies, March 2020

[7] Data transmission 4.997 to 5.005 MHz

[8] Code of some sort?

[9] "Sonar Ping", 7631.5kHz

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