National/International
ARRL - American Radio Relay League
- the latest Bulletins, news, rules, etc.
ES4U - Estonian Amateure Radio Union
IARC - Israel Amateur Radio Club
Norwegian Radio Ligue (NRRL)
RAC - Radio Amateurs of Canada
RSGB - Radio Society of Great Britain
REF-UNION (France)
Russian Robinson Club
- prefixes of CIS (ex: USSR).
S5 RADIOAMATEURS Homepage - Slovenia
Spain IARU section Union de Radioaficionados Espanoles
TAPR Packet Radio Homepage
Toensberg group LA1T
- Norwegian Radio Relay League. (mostly non-English)
VERON Dutch Amateur Radio Homepage
- English
VERON, the Dutch Amateur Radio Society
Wireless Institute of Australia (New South Wales Division)