Building your doppler, pictures and instructions.
http://members.tripod.com/~clearRX/
Download free project plans for radio direction finders and locators.
http://home.earthlink.net/~w9xl
a doppler type VHF radio direction finder for HAMs and experimenters
http://www.silcom.com/~pelican2/
Group for enthusiasts of Radio Direction Finding.
http://m.webring.com/hub?ring=foxhunt
Describes a system on 70 cm freqencies to track and locate small rockets.
http://www.tfs.net/~petek/rockets/RDF/70cm.html
Pictures and descriptions of Radio Direction Finding and Transmitter Hunting equipment.
http://www.qsl.net/n6qab/index.html
VK3ZPF's amateur radio web pages including foxhunt projects
http://www.qsl.net/vk3zpf/
Pictures and plans for antennas, attenuators, aniffers, hiding equipment, and accessories.
http://www.qsl.net/n6bg/thunt/