You can follow [https://lemmy.radio/communities](https://lemmy.radio/communities) directly from Mastodon.

You can follow https://lemmy.radio/communities directly from Mastodon.
Just search, in Mastodon, the url of the community, and subscribe.
Here some communities :
@amateur_radio
@digitalmodes
@pota
@sota
@dmr
@ragchew
@vhf
@cw_talk
@homebrew
...