Introduction
Every weekend, in cities and towns all across the country, ham radio operators gather on hilltops for a very special kind of contest--the Fox Hunt. A small, low power transmitter is hidden and the rest of the crew tries to find it. Sound simple? It can be very challenging and a whole lot of fun. The direction finding skills learned in this activity can be very valuable in locating a repeater jammer, or a lost hiker.
Articles
- Stalking the Fox
QST October 1993, pp. 64-65
An introduction to Fox Hunting (Direction Finding) - Transmitter Hunting: Tracking Down the Fun--Part 1
QST April 1993, pp. 48-51
More general information on Fox Hunting - Transmitter Hunting: Tracking Down The Fun--Part 2
QST May 1993, pp. 56-58 - Build the HANDI-Finder!
QST May 1993, pp. 35-38
A hand-held direction finder that when connected to your HT or FM scanner can locate AM or FM sources over the range or 45 to 470 MHz - The NVARC FoxFinder
QST April 2001, pp. 35-39
This little fox hunt sniffer is designed to locate the transmitter down to the last few meters--where other techniques often fail - A Doppler Radio-Direction Finder Part 1
QST May 1999, pp. 35-40
This four-antenna system used the Doppler effect to track down a signal. - A Doppler Radio - Direction Finder Part 2
QST June 1999, pp. 37-40 - The Four-Way Dfer
QST November 1995, pp. 29-35
A system outwardly similar to the Doppler Radio unit above, but with a different approach--multipath reception.
Feedback: December 1995, p. 79
Feedback: February 1996, p. 81 - A Fox-Hunting DF Twin 'Tenna
QST October 1998, pp. 41-44
An improved 2 meter Yagi optimized for direction finding.
Feedback: The ferrite beads specified in Table 2 are all available from All Electronics Corp
Web Links
- New ARRL's Web Page for Direction Finding
- Doppler Direction Finding Instruments
- Welcome to Homing In
- Tracking transmitters by Big Red Bee
Technology >> Radio Technology Topics >> Technical Specialties >> Direction Finding