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Homing In, CQ Magazine, November 2017 -- "ARDF Enthusiasts Win Medals in the Buckeye State"
- "This was the third time that hams of the Cincinnati area have hosted USA's championships. Every time, it has gone more smoothly and participants have had more fun."
- VK3WWW: "Each training session was on a real map and various terrains using the actual event transmitters. So we were able to get a real feel for what we are to face when the competition started."
- "USA's championship organizers simply call up the winners to stand before the applause of the audience and the flashing of cameras. With three events, fifteen categories in each and two divisions (IARU Region 2 and visitors), over 200 medals were given out."
- "USA at the Region 3 championships this year were Dale and Kuon Hunt, WB6BYU and KB7WRG of Hillsboro, Oregon. In addition to USA and Mongolia, there were competitors from China, Japan, Kazakhstan, Korea and Australia, as well as observers from Macao."
- KB7WRG: "It is a beautiful and wide open place, with charming, friendly people. The Mongolians put on a great show and most of their logistics were superb."
Fred Mailey K8FCM of the Northeast Ohio Orienteering Club experienced competitive ARDF for the first time at the 2018 USA championships. Read more about these championships in Homing In for November 2017.
Homing In, CQ Magazine, August 2017 -- "New Tools For 80-Meter Foxhunting"
- "Unless you're standing right under a long power line or within inches of a big metal fence, the bearing you get on 80m is almost always accurate. It doesn't matter if you're on a hilltop or deep in a canyon."
- "At these frequencies, a plate-sized loop of four or five wire turns, resonated with a capacitor of about 100 picofarads, is a sensitive and very directional receiving antenna. It couples to the magnetic component of incoming electromagnetic waves."
- "A more compact magnetic antenna for 80m consists of about 40 turns of wire on a small rod of ferrite material. It looks and works just like the "loopstick" antenna in a modern AM broadcast receiver."
- "Beginning this year, there is a competition-grade 80m set made in the USA, the brainchild of Vadim Afonkin KB1RLI. His 80m receiver design features a high-sensitivity superhet receiver with low-drift local oscillator."
- "The newest plug-and-play 80m ARDF set on the market is by far the most feature-rich. The FoxRex 3500 is based on the FJRX85 project by Dr. Nicolas Roethe DF1FO."
Unlike most 80m ARDF sets, the FoxRex 3500 has two cardiod-pattern sense modes, each with its own pushbutton. Read all about two new high-tech ARDF sets for the 80-meter band
in Homing In for August 2017.
Homing In, CQ Magazine, May 2017 -- "Scouts Hunt Transmitters to Earn Merit Badges"
- "It was 1918, about three years after the first issue of QST was published, that the Boy Scouts of America began offering the Wireless Merit Badge."
- "After the championships, Brian realized that it was time for ARDF to move into the mainstream of Scouting, so he contacted Jim Wilson K5ND."
- "These updates are just in time for the 2017 National Scout Jamboree at the Summit Bechtel Scout Reserve in West Virginia, July 19 through July 28."
- "Southern California Scout-O-Ramas are a sort of "activity fair" where Scouts learn from other Scouts about specialized activities of their troops."
- "You have probably forgotten how difficult it is to hold onto even a medium-weight object for a while when you are eight years old. So the lighter the RDF set, the better."
Many young Scouts have difficulty holding a tape-measure yagi. Mounting the receiver to the back of the antenna and adding a handle below at the balance point makes it easier. Learn more about teaching ARDF to Scouts in Homing In for May 2017.
CQ Magazine, April 2017 -- "Radio Foxhunting Season Has Arrived"
- "This has to be the most unusual ham radio contest. All of the participants are away from home, but some are mobile while others are on foot. It takes place all over the world, but not necessarily on the same date or time for everyone."
- "Mobile T-hunting rules are created by the hunters themselves. The winner gets to the fox first or does it with the lowest odometer mileage, depending on local preference."
- "A good time for your club's first hunt might be a weekday evening right after a net, when the local repeater has lots of listeners. The hider should make frequent transmissions, urging every listener to get in the car and participate."
- "A local park or school yard would be a good place for your first all-on-foot foxhunt with one or more miniature transmitters of 100 milliwatts or less. Imagine the fun of a dozen club members spread out in search of a half-dozen mini-foxes, all on different frequencies."
- "The hunt should be appropriate for the skill level of the members, be they experts or complete beginners. Make sure it's well promoted, fun and fair for all."
Two-meter Mobile T-hunters in San Diego prefer yagi or cubical quad directional antennas. Most of them mount their beams on a rotating mast that goes through the vehicle roof. Read all mobile and on-foot transmitter hunting in the April 2017 issue of CQ Magazine.
Homing In appeared monthly in 73 Magazine from November 1988 until the magazine ceased publication with the September 2003 issue. My column then appeared in CQ VHF magazine, a quarterly publication, from 2004 through Fall 2013 and CQ-Plus Digital Magazine during 2014. Now it is scheduled to appear four times per year in CQ Magazine, which is available in print by subscription and in Amateur Radio Stores. You can also subscribe to CQ in digital form, viewable on PC, Mac, iPad, iPhone and Android. I welcome your input for future articles, so please continue to send me your news of mobile and on-foot transmitter hunt activities.
The Fine Print: This is the official Web site for Homing In and other KØOV articles about RDF, but not for any magazine. Homing In articles are produced independently in southern California. Text and artwork of all articles Copyright © Joseph D. Moell. All rights reserved.
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This page updated 5 November 2017