section file
7 links
- 160 meter linear loaded Inverted L antenna
- The total length of the inverted L is 240 feet, which is 7/16th of a wave length long. It has a 92 foot horizontal linear load section 1 foot above ground that terminates into a home-brewed parallel network tuner by KN4LF
[ Hits: 4163 | Votes: 5 | Rating: 5.6 ]
- 40M Reversible Moxon
- Moxon antenna project, each side is 51 feet long and the turned in sections are each 7.7ft long. This antenna performed similar to a full size two element yagi for 40 meters.
[ Hits: 4419 | Votes: 2 | Rating: 9 ]
- The Story of the Broadband Dipole
- A dipole can be broadbanded by a number of techniques including by matching with resonant sections of transmission feed lines.
[ Hits: 411 | Votes: 0 | Rating: 0 ]
- 20m Half-Wave End Fed
- A Half wave antenna has a high impedance feed point. This can be matched using a 1/4 wave stub matching section and converts the 40m vertical into an L-shaped 20m J-Pole antenna. The 300 ohm feeder used for this purpose must be kept away from the ground.
[ Hits: 1847 | Votes: 7 | Rating: 8 ]
- DirectionalWaveguide - Seattle Wireless
- Waveguide antenna is a type of DirectionalAntenna and is a modified waveguide. A waveguide is simply a tube, either rectangular or cylindrical in cross-section, that will carry a microwave radio signal with very low signal loss
[ Hits: 4983 | Votes: 3 | Rating: 6 ]
- Some Useful ZS6BKW Modifications
- The ZS6BKW antenna evolved from an optimization of the G5RV antenna. The SWR on 80m is too high and the 40 ft ladder line matching section is a little too long on 17m and a little too short on 10m
[ Hits: 1028 | Votes: 3 | Rating: 4 ]
- Field Day Logging Program
- This program checks for duplicates (including partials), lists the sections (which change color when they have been worked), lists all contacts, writes ASCII log, dupe and summary files, and provides many current statistics by N3FJP
[ Hits: 2702 | Votes: 5 | Rating: 8.6 ]
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