

How Doppler DFs Work-Doppler DFs for Radio Amateurs->The Roanoke Doppler for VHFModifications and Improvements-Hunting with Doppler DFs-Commerciai Doppler DF$-Other Doppler DF ApplicationsĮLTs and EPIRBs-The Civil Air Patrol-The US Coast Guard Auxiliary-The Happy Flyers-Amateurĭetection of ELT Alarms-Airborne Hunting-Advanced Interferometer Techniques The Double-Ducky Direction Finder-Switched Cardioid Pattern Homing Units- The Little L-Per Direction Finder-The Happy Flyers DF-Determining Bearing Inaccuracies-Side-Step and Baseline Averaging Techniques-The K6BMG SuperDF-Testing Homing DFs In the Roof-Window Brackets-Window Coverings-Window Inserts-Direction Indicators Through-the-Window Mounts-Mirror Mounts-Door Mounts-Sun Roofs and Convertibles-The Hole

The Very Beginni ng-World War II-Hams Aid the War Effort-Military RDF Today-Sport Huntingĭirective Gain Antennas-Homing DFs-Dopplers-Making the Choice for VHF-Marine DF UnitsGetting Good Maps-The Compleat Hunter

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