Homing In -  .

Amateur Radio Direction Finding Web Ring - - Group for enthusiasts of Radio Direction Finding.

ARDF Holland - Amateur Radio Direction Finding - - Amateur Radio Direction Finding in the Netherlands, all about foxhuntin.

BMG Engineering - - Former supplier of the SuperDF. Tutorials and projects.

Build your own DF unit - - Building a Doppler, pictures and instructions.

Hidden Transmitter Hunting - - Pictures and plans for antennas, attenuators, aniffers, hiding equipment, and accessories.

NoBarc Hounds Amateur Radio Tansmitter hunters - - Radio Direction finding for sport and emergencies.

N6QAB's Radio Direction Finding Web Page - - Pictures and descriptions of Radio Direction Finding and Transmitter Hunting equipment.

Radio Orienteering in a Compact Area - - On foot radio-orienteering, rules, projects, and event reports.

Radio Direction Finding Projects - - A collection of useful and interesting projects for the RDF enthusiast by Joe Leggio, WB2HO.

RDF Fox Hunting Home Brew Projects - - Download free project plans for radio direction finders and locators.

Transmitter Hunting - - Amateur radio direction finding, transmitter hunting, by triangulating a radio signals direction and plotting its bearing on a map. Hunters use Dopplers for tracking hidden transmitters anywhere in the San Francisco Bay Area.

VK3ZPF WEB SITE - - VK3ZPF's amateur radio web pages including foxhunt project.

WB6EYV Doppler DF - - Describes a homebuilt mobile Doppler D/F unit, with theory, schematics, parts list, and all PC artwork.