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Cross State Communication
(piefed.social)
A community to discuss Meshtastic (https://meshtastic.org/docs/introduction)
Other mesh communities:
MeshCore: !Meshcore@feddit.org Reticulum: !Reticulum@mander.xyz
Ive seen some people theoretically do it with meshcore with a lot of repeaters, but the amount of hops was crazy. Its just not practical unless you get into ham or something.