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Radio Direction Finding
Radio Direction Finding, Ham Fox hunting, radio transmitter hunting
(Featuring 62 links)
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- A turnstile antenna for 2-meter ARDF
- Antenna design for use with hidden transmitters on international-rules ARDF events
- Handi-Tenna portable satellite antenna
- Here is a high-performance hand-held beam antenna that is easy to build and guaranteed to improve your downlink from the LEO satellites over ANY rubber duck or mobile whip
- Build your DF Unit
- Building your doppler, pictures and instructions.
- Hidden Transmitter Hunting
- Lots of information of hidding transmitters, building portable yagi antennas, s-meters, and much more
- RDF2 two element, close spaced Yagi antenna
- This antenna is an adaptation of the RDF2 two element, close spaced Yagi antenna described in the May, 1996 issue of 73 Amateur Radio Today Magazine.
- RDF projects
- Antennas, attenuators, fox timers, controlers and transmitters
- The Adcock HF RDF Antenna
- The Adcock antenna has been used for a long time for RDF. It is basically an interferometer.
- Homing In
- All about radio direction finding (RDF)
- N6QAB Radio Direction Finding
- N6QAB Radio Direction Finding Web Site, DF vehicles, transmitters, sniffers, dopplers, TH-D7A
- ARDF Projects by WB2HOL
- Antennas, attenuators, Fox Timers and Controllers and Fox Transmitters
- Transmitter hunting
- Locating or finding radio transmission sources or hidden radio transmitters is known as transmitter hunting.
- 7db tape measure yagi beam for RDF
- A 3 element yagi beam antenna made with a tape measure. This design exhibits a very clean pattern and is perfect for RDF use.
Alphabetical
- Antelope Valley T-Hunting
- AVARC - Antelope Valley Amateur Radio Club
T-Hunt Page.
[Hits: 575 | Votes: 0 | Rate: 0.00] - RDF2 two element, close spaced Yagi antenna
- This antenna is an adaptation of the RDF2 two element, close spaced Yagi antenna described in the May, 1996 issue of 73 Amateur Radio Today Magazine.
[Hits: 7636 | Votes: 7 | Rate: 4.85] - 2006 US ARDF Championships
- April 8-9, 2006 USA ARDF Championships
[Hits: 292 | Votes: 1 | Rate: 1.00] - 2M Programmable Fox-Or Transmitter
- The 2 metre fox-or transmitter is a small low power transmitter which mounts in a small plasic pipe and runs off two AA batteries. The board measures just 12mm by 70mm.
[Hits: 507 | Votes: 0 | Rate: 0.00] - 7db tape measure yagi beam for RDF
- A 3 element yagi beam antenna made with a tape measure. This design exhibits a very clean pattern and is perfect for RDF use.
[Hits: 3100 | Votes: 8 | Rate: 4.12] - 80m fox hunting receiver
- Schematic anc PCB for a fox hunting receiver for 80 meters band
[Hits: 557 | Votes: 0 | Rate: 0.00] - 80M Fox-Or-Test Transmitter
- The 80 metre fox-or/test transmitter is a small low power transmitter which is designed to be used as an alignment aid for running up 80 metre foxhunt or ARDF receivers. It is also usable as a micro transmitter for fox-or-ing events.
[Hits: 238 | Votes: 1 | Rate: 6.00] - 80m sniffer
- A full superhetrodyne SSB fox hunting receiver kit
[Hits: 323 | Votes: 0 | Rate: 0.00] - A low power 3.5MHz ARDF transmitter
- This low power transmitter is developed for ARDF exercising purposes but of course can be used as super QRP transmitter either. With 1 or 2 meter wire as antenna and a ARDF receiver with ferrite-rod antenna the range is about 100m but with better antennas and a 'real' receiver the range is probably much larger.
[Hits: 1358 | Votes: 3 | Rate: 5.33] - A new method of radio direction finding
Priority listing
- A method of finding radio sources with antennas based on omni-directionality (the less directional the better coverage). Uses energy levels and some sophisticated math (encompassed in a free software download on the site) to find x,y,z coordinates of the fox relative to the center of your antenna array. Can be overlayed on a GPS map to help you locate in real-time.
[Hits: 1662 | Votes: 1 | Rate: 10.00] - A turnstile antenna for 2-meter ARDF
- Antenna design for use with hidden transmitters on international-rules ARDF events
[Hits: 12265 | Votes: 12 | Rate: 5.83] - AA9CC Web Page
- A few foxhunt reports, a phased array antenna plotting program and some cool links.
[Hits: 1175 | Votes: 3 | Rate: 5.33] - APRS and Fox Huntinhg
- Using APRS For Direction Finding
[Hits: 206 | Votes: 0 | Rate: 0.00] - ARDF in holland
- Ardf holland, information about ardf activities in the netherlands, in english and dutch
[Hits: 488 | Votes: 0 | Rate: 0.00] - ARDF Projects
- ABARC fox hunting projects, attenuator, antenna, S meter and squeeker.
[Hits: 190 | Votes: 0 | Rate: 0.00] - ARDF Projects by WB2HOL
- Antennas, attenuators, Fox Timers and Controllers and Fox Transmitters
[Hits: 3784 | Votes: 21 | Rate: 7.67] - ARDF transmitter for 80 meters
- The 80m TX described here is the well known ON7YD ATX-80 and timer, combined and re-engineered to fit a readily available enclosure by G3ZOI
[Hits: 604 | Votes: 1 | Rate: 9.00] - ARDF80 Receiver
- Documentation to build your onw 80m ARDF receiver
[Hits: 702 | Votes: 0 | Rate: 0.00] - ARDF@DL online - ARDF-Funksport in Deutschland
- ARDF-Funksportreferats im DARC
[Hits: 308 | Votes: 0 | Rate: 0.00] - Build a direction finder
- Build a VHF radio direction finder by WB2HOL
[Hits: 762 | Votes: 0 | Rate: 0.00] - Build your DF Unit
- Building your doppler, pictures and instructions.
[Hits: 8443 | Votes: 4 | Rate: 3.75] - DF Antenna for 2 meters
- Direction Finding (DF or Fox) hunts antenna for 144 Mhz
[Hits: 1726 | Votes: 0 | Rate: 0.00] - Far circuits
- Direction finding projects, useful tools for t-hunting operations
[Hits: 998 | Votes: 1 | Rate: 10.00] - Ham Radio in Austin and Central Texas
- Transmitter hunting club
[Hits: 668 | Votes: 0 | Rate: 0.00] - Handi-Tenna portable satellite antenna
- Here is a high-performance hand-held beam antenna that is easy to build and guaranteed to improve your downlink from the LEO satellites over ANY rubber duck or mobile whip
[Hits: 9184 | Votes: 6 | Rate: 8.10] - Hidden Transmitter Hunting
- Lots of information of hidding transmitters, building portable yagi antennas, s-meters, and much more
[Hits: 7925 | Votes: 8 | Rate: 5.12] - Hidden transmitter hunting
- Interesting t-hunting projects, from antennas to audible smeters
[Hits: 642 | Votes: 0 | Rate: 0.00] - Homing In
- All about radio direction finding (RDF)
[Hits: 4388 | Votes: 0 | Rate: 0.00] - HRX80 80 meters receivers for APRS
- 80-meter peilontvanger / receiver includes printed circuit sample and list of components
[Hits: 561 | Votes: 2 | Rate: 5.00] - KD6IFZ Radio Direction Finding Page
- "Cool links and the ""T-helper Pro"""
[Hits: 1505 | Votes: 0 | Rate: 0.00] - KQ6XA Bonnie Crystal
- Lots of projects and introductions to RDF and T Hunting
[Hits: 1786 | Votes: 29 | Rate: 5.79] - Kq6xa ROCA radio orienteering in a compact area
- ROCA Radio Orienteering in a Compact Area, ARDF Foxhunting. T-Hunting. The New Walking Foxhunt "ROCA". Rules and Event Organizational Information. Experimental and Competition Events. Equipment. Links. RDF Radio Direction Finding Systems. Mobile Transmitter Hunting.
[Hits: 311 | Votes: 0 | Rate: 0.00] - Let's Go T-Hunting
- An introduction to RDF contesting in southern California, updated from a paper originally submitted for Proceedings of the 1992 West Coast VHF/UHF Conference.
[Hits: 446 | Votes: 1 | Rate: 4.00] - LU6DPP Doppler
- Doppler informations, building notes in Spanish
[Hits: 883 | Votes: 2 | Rate: 5.50] - N6QAB Radio Direction Finding
- N6QAB Radio Direction Finding Web Site, DF vehicles, transmitters, sniffers, dopplers, TH-D7A
[Hits: 4137 | Votes: 4 | Rate: 9.00] - Offset attenuator project
- Build An Offset Attenuator by Joe Moell KØOV
as featured in Homing In for May 1998
[Hits: 1019 | Votes: 4 | Rate: 7.25] - ON7YD ARDF pages
- Includes some interesting projects for low power ARDF transmitters
[Hits: 627 | Votes: 1 | Rate: 10.00] - PA3DFC direction finding
- ARDF Homepage, Nederlandse ARDF-Homepage
[Hits: 563 | Votes: 1 | Rate: 2.00] - PB 2 Radio Direction Finding
- info on radio direction finding
[Hits: 642 | Votes: 0 | Rate: 0.00] - Polish radio direction finding
- IARU region 1 RD championship
[Hits: 463 | Votes: 1 | Rate: 3.00] - Radio Direction Finding - introduction
- History of Radio Direction Finding, performance and limitation of RDF Systems, RDF for non professional use
[Hits: 434 | Votes: 1 | Rate: 8.00] - Radio Direction Finding SM5SVM
- SM5SVM ARDF resources
[Hits: 1363 | Votes: 1 | Rate: 7.00] - Radio Frequency Beacon Finder
- This project is a radio frequency receiver that will help the user the trace the direction and distance of transmitter beacon(s) operating at 433MHz frequency by Cornell Univerity
[Hits: 1001 | Votes: 5 | Rate: 5.80] - Radiopejlorientering - Radio Direction Finding
- The Swedish ARDF page is mainly presented in the Swedish language, but some articles are in English.
[Hits: 418 | Votes: 0 | Rate: 0.00] - RDF projects
- Antennas, attenuators, fox timers, controlers and transmitters
[Hits: 6346 | Votes: 12 | Rate: 6.92] - Ron Graham Electronics
- Specialising in DF equipment
[Hits: 1242 | Votes: 0 | Rate: 0.00] - The Adcock HF RDF Antenna
- The Adcock antenna has been used for a long time for RDF. It is basically an interferometer.
[Hits: 4470 | Votes: 12 | Rate: 6.01] - The Microsniffer Project
- The Microsniffer is a fully autoranging VHF or UHF sniffer which has been designed for those who are foxhunting on a budget.
[Hits: 242 | Votes: 0 | Rate: 0.00] - The montreal doppler and more projects
- PIC microcontroller projects mainly Fox Hunting
[Hits: 694 | Votes: 1 | Rate: 10.00] - The NKARC Foxhunt Page
- Foxhunting is the fine art of wandering aimlessly over hill and dale whilst loaded down with enough electronic equipment to singlehandedly repair the MIR space station...
[Hits: 433 | Votes: 1 | Rate: 1.00] - The VK3YNG sniffer MK3
- This processor controlled autoranging sniffer has become popular for vehicle based foxhunting in Australia
[Hits: 194 | Votes: 0 | Rate: 0.00] - Thunt.org : transmitter hunting
- Amateur radio direction finding, transmitter hunting web site from San Francisco. Triangulating a radio signal direction and plotting its bearing on a map. Hunters use doppler systems for tracking hidden transmitters anywhere in the san francisco bay area, fremont california
[Hits: 551 | Votes: 1 | Rate: 10.00] - Transmitter hunting
- Locating or finding radio transmission sources or hidden radio transmitters is known as transmitter hunting.
[Hits: 3296 | Votes: 2 | Rate: 5.50] - UBA HF QRP FoxHunt
- Fox hunting competition organized by UBA
[Hits: 132 | Votes: 0 | Rate: 0.00] - VectorFox
- VectorFox is a software born to incorporate a PC into the fox hunting environment. VectorFox is able to take inputs from up to 5 sources, such as a 2m beam, a 2m signal meter, a TDOA, etc, and display the results on the screen. VectorFox also accepts Agrelo inputs. From these results the operator can choose which indication is best and have a line drawn on the map in the direction of the signal.
[Hits: 1058 | Votes: 0 | Rate: 0.00] - VK3YNG 80m ARDF Foxhunt sniffer kit
- Details of the vk3yng 80m ardf foxhunt sniffer
[Hits: 708 | Votes: 4 | Rate: 5.50] - VK3ZPF Foxhunting site
- Fox hunting site with details of a PC based DF system
[Hits: 1445 | Votes: 4 | Rate: 7.25] - WA6NOL.com
- Ham radio, supercomputer, and ARDF pages and projects
[Hits: 463 | Votes: 6 | Rate: 10.00] - WB2HOL Foxhunting beam
- Building the WB2HOL foxhunting beam antenna
[Hits: 576 | Votes: 0 | Rate: 0.00] - WB2HOL RDF Projects
- A collection of useful and interesting projects for the RDF enthusiast by Joe WB2HOL
[Hits: 2074 | Votes: 6 | Rate: 9.33] - WB6BYU Tape Measure Yagi
- A tape measure yagi antenna for 145.000 MHz suitable for ARDF
[Hits: 915 | Votes: 2 | Rate: 5.50] - WD4BIS project pages
- ARDF projects and info
[Hits: 727 | Votes: 0 | Rate: 0.00]
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