Unknown Signal 940.863 MHz

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FMS - Digital Radio BOS @ 940.863 MHz
Unknown 940.8mhz.png
Frequencies 940.863 MHz
Frequency Range 940.863 MHz - 940.863 MHz
Mode FM
Bandwidth 10 kHz
Location Germany
Short Description Digital BOS Radio system transmissions from Germany.
I/Q Raw Recording Download file
Audio Sample

Signal found in Charles County, Maryland and Pierce County, Washington

This signal is the same as the one I've captured. http://www.sigidwiki.com/wiki/Unknown_paging_940p862 --Cartoonman (talk) 10:38, 4 May 2017 (NZST)

Look, this signal was captured on the eastern coast of the United States. FMS-BOS is a system that not only has been only primarily deployed in Germany, but is listed to be on a lower frequency (400 MHzMegaHertz (MHz) 10^6 Hz). https://cartoonman.github.io/Shoc/fmsbos.htm http://www.wavecom.ch/content/ext/DecoderOnlineHelp/default.htm#!worddocuments/fmsbos.htm https://de.wikipedia.org/wiki/Digitalfunk_der_Beh%C3%B6rden_und_Organisationen_mit_Sicherheitsaufgaben

I need more proof before I consider this to be FMS-BOS --Cartoonman (talk) 15:02, 4 October 2017 (NZDT)

OneDrive link to IQ file



  • 940.863 MHzMegaHertz (MHz) 10^6 Hz

Digital Encoding[edit]

  • ZVEI2
  • EIA
  • FMS
  • FSK9600

Additional Links[edit]