Kankakee Area Radio Society - Illinois-based club sponsoring Hidden Transmitter Hunting (Fox Hunting) activities. With meeting schedules, club and contact information, and links. - http://www.w9az.com
ARDF Nederland - ARDF in the Nederlands - http://www.rdf.demon.nl/
NKARC - Foxhunting - Washington foxhunting - http://homepages.donobi.net/nkarc/foxhunt.html
ARDF Poland - The Polish Club of Amateur Radio Direction Finding. Includes contest rules and information. [Polish-English] - http://ardf.pzk.org.pl/xiv/index.htm
Southern California Transmitter Hunters - T-Hunting club resource features general information, photos, contact and club information. - http://www.thunter.org
NoBarc Hounds transmitter hunters - NoBarc Hounds is a ham radio transmitter hunting activity. We do Search and rescue for planes with ELT's and for lost hikers. We also have a mail list. Monthly fox hunts! - http://www.nobarc.org
ARDF@DL online - Die Informationsseite für Amateurfunkpeilen in Deutschland - http://www.darc.de/referate/ardf/
ARDF in Slovenia - Site contains rules and results of national ARDF competitions in Slovenia. - http://lea.hamradio.si/arg/
Colorado Front Range Electronic Direction Finders - Provides volunteer search and rescue for aircraft and personal emergency locator transmitters. Includes contact information. - http://www.fredf.org/