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Messages - Perseus68

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Utility / The Siren or Alarm sound at 4770KHz
« on: December 06, 2020, 2200 UTC »
Quite well audible those nights, at least from my QTH (canary islands).
It was already known from the SDR of Twente (The Netherlads)
I grabbed a couple of videos just in case your are interested.

https://youtu.be/o1le0EfnDjI

https://youtu.be/TDJBvGg7pto

Gear: SDRPlay-RSP1 + SDRUno + Home-made 1m diameter active Loop

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