Build Your Own Coils Phil Salas – AD5X Introduction I really enjoy experimenting with different ways of making portable and mobile antennas. However, one big problem is finding reasonably priced coil stock. Recently I’ve been making my own coils and so I wanted to pass on my methods. Also described are neat ways to build coil supports for your home-made air-wound coils. The Coil The basic form for the coil is 2” PVC pipe. I start with a 1-foot length of pipe, and carefully mark four evenly spaced lines along the length of the pipe. See photo “Marked Pipe”. To this PVC pipe, I tie-wrap four pieces of nylon edge trim available from McMaster-Carr (www.mcmaster.com, PN 85085K8, $10.50 for 25 12-3/4” strips). This nylon edge trim provides the support to provide for an 8-TPI coil. I used 14 gauge copper wire for the coil itself (McMaster-Carr 8873K51, $10.20 for 80-feet). ….
Read Full Article :
Source:http://www.ad5x.com/
The Sun is giving us some well-deserved rest this week after hitting us with that huge solar storm over Saint Patrick’s Day. The unsettling effe... Read more
Ham Radio Deluxe HRD Software, LLC announces the release of Version 6.3.0.429 today. This is a maintenance release for HRD that addresses a variety of... Read more
PROJECT: CROSS BAND REPEATER WITH 2 BTECH MOBILES Read more
The Radio Amateur Society of Australia is pleased to announce the release of a new E-magazine for Amateur Radio in Australia. The magazine, QTC, named... Read more
Past AMSAT President and AMSAT Journal Editor Doug Loughmiller, W5BL, of McKinney, Texas, died on July 22. An ARRL Life Member, he was 60 and had been... Read more
The May/June digital edition of ARRL’s On the Air magazine is now available. Read it and other ARRL digital publications by browsing to the ARRL Magaz... Read more
Recent Posts
New SpaceWeatherWoman forecast video is up!
Ham Radio Deluxe Version 6.3.429 Released
PROJECT: CROSS BAND REPEATER WITH 2 BTECH MOBILES
New QTC e-magazine for VK
Past AMSAT President Doug Loughmiller, W5BL, SK
May/June Issue of ARRL’s On the Air Magazine Now Available
