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Author Topic: French Traffic Signal Control 31.325 MHz 31.6875 MHz and 31.975 MHz Heard In USA  (Read 588 times)

Offline R4002

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Iíve managed to catch a polytone signal (sounds a lot like ROS) on 31.325 and 31.975. 

Apparently these are traffic signal (traffic light) control signals from France. Very low power.  Pretty decent catch during VHF low band opening. 
« Last Edit: January 12, 2023, 1654 UTC by R4002 »
U.S. East Coast, various HF/VHF/UHF radios/transceivers/scanners/receivers - land mobile system operator - focus on VHF/UHF and 11m


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