Yep. There are cubesats running LoRa payloads in low earth orbit[0], and between mountaintops, terrestrial paths of hundreds of km are possible[1].

[0] https://www.hackster.io/news/fossasat-1-an-open-source-satel...

[1] https://meshtastic.org/docs/overview/range-tests/

> Using metal tape measures to build simple quarter-wave monopole antennas is a hack to that’s actually pretty common in the small satellite community

This is just too crazy, thanks a lot for sharing these links! :)