Observation 10361566: ISS (25544)

https://network.satnogs.org/observations/10361566/
Anyone seen this transmission before crossing the ISS voice repeater 437.8000Mhz?

image

All 437.8xx transmitters in the SatNOGS database:

It seems to be a 2400 baud signal.

This is it on its own
https://network.satnogs.org/observations/10361565/

I’d say it’s terrestrial source, when looking at it horizon to horizon it looks like pure doppler correction.

edit: example SatNOGS Network - Observation 10365027

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