Don’t know the requirements, but you can absolutely talk thousands of miles with the right set-up and antenna. In the .5-30 MHz band. Easy using Morse code.
10 minutes ago I finished making up about 16 pints of salsa from stuff in our garden. Going to can it soon. Ball Book of Canning is your friend. Some stuff requires pressure canning at specific pressures for a specific amount of time. Others only require submerged water bath canning in boiling...