Tropo on VHF

No. The map below is not the map with the route asilum seekers are taking from Syria towards rich country in Western Europe. It’s a real-time map showing tropo ducts on VHF. This data is bases on APRS stations transmitting there GPS-position on 144.800 MHz. You should save it on your bookmarks is active on VHF and UHF! The URL: aprs.mountainlake.k12.mn.us.

Tropo

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