Single Tone

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Single Tone
Unknown tone.PNG
Frequencies 172.755 MHz
Frequency Range 172.754 MHz - 172.755 MHz
Mode
Modulation
ACF
Bandwidth 400 Hz
Location Philadelphia PA, USA
Short Description

It keeps broadcasting nonstop (from the time I started listening). Doesn't seem to have a purpose, but what is making it?

Used SDR# - Tuned in at 172.7551 MHz - Recorded using CW
I/Q Raw Recording
Audio Sample