HF Mystery Signals

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[1] 1khz Spaced tones centered on 5051Khz 16:40 UTC 30 JAN 2025

[2] MOVED: 7MHz LSB with carrier alarm sound

[3] Monster on 13.500 MHz

[4] Amateur mode 7040kHz PSK variant?

[5] MOVED: 5.538 Tono extraño

[6] MOVED: Radio Romania 7.220 AM 23:07 12/20/24

[7] Probably not a mystery, but is it just me?

[8] 13242 kHz AM UNID 1923 UTC 11-DEC-2024

[9] 6934 kHz LSB UNID - 0135 UTC 13-DEC-2024

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