rec.radio.shortwave   rec.radio.shortwave@googlegroups.com
Shortwave radio enthusiasts.
Language: English
53084 subscribers, Messages per month: 289, Usenet

HD RADIO   hd-radio@googlegroups.com
This is a group for discussing HD radio, it's viability in the market place, HD receivers and technology, programming, reception, and in general anything concerning HD radio that shouldn't be clogging up other newsgroups, like rec.radio.shortwave.
Language:
83 members

dxtalk   dxtalk@googlegroups.com
This group is pretty much like rec.radio.shortwave is supposed to be. It's discussion of shortwave-related topics, without all the off-topic crapola.
Language:
19 members