Icons on a map around Hamburg.

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1. Embed this notice
   blinry (blinry@chaos.social)'s status on Monday, 11-Mar-2024 05:22:59 JST blinry

   in reply to

   20: Receive amateur packet radio

   In the 2-meter amateur band, there are certain frequencies for the "Automatic Packet Reporting System". It's a bit like IP – packets have a "from" and a "to". They can also broadcast their position, or weather data.

   Some stations seem to announce themselves as repeaters, which probably help forward the packets to increase the range.

   And two people seem to be on a "fieldday", and broadcast their location. :D

   SDRangel can create a map automatically: