2 m dipol
311 links - and 2 categories
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Antennas : Baluns- Build your own HF balun
- A balun is a MUST for dipoles or similar antennas when they are feed with coaxial cables. Many hams connect the center conductor of the coaxial cable to one side of the dipole, and the shield to the other. Wrong!
[ Hits: 1639 | Votes: 5 | Rating: 5 ]
- A Co-ax Trap Dipole
- A Co-ax Trap Dipole For 40, 30 and 20 Meters or at last that was the intention
[ Hits: 1017 | Votes: 3 | Rating: 6 ]
- 10 15 20m Open Sleeve Dipole
- Based on a simple project based on a 2 elements Yagi for 20m band, and then becomed a triband yagi with a open-sleeve feed system
[ Hits: 779 | Votes: 3 | Rating: 3 ]
- Simple 20-40 m Dipole Antenna
- A simple TRAP-dipole project for 20 and 40m bands includes EZNec simulations
[ Hits: 1741 | Votes: 5 | Rating: 6 ]
- 20 40 80 Trapped Dipole
- An homemade portable trapped dipole antenna for 40 and 80 meters band with an optional extension for the 20 meters.
[ Hits: 1396 | Votes: 9 | Rating: 5 ]
- Bent Dipoles reference website
- Antenna modeling discussions about What happens if... a dipole is bent horizontally, laterally, vertically. Zig-zag, meander, catenary curve.
Effect of sag, elevation, radials. OCF off-center feed, harmonics. Includes 4NEC2 antenna models for each study.
[ Hits: 707 | Votes: 0 | Rating: 0 ]
- A 10-6-4 three band dipole antenna
- A home made dipole antenna for 10m, 6m, 4m bands made with two sections of 450 and 300 Ohm ladder lines, cut to achieve acceptable SWRs on all bands
[ Hits: 1016 | Votes: 5 | Rating: 8.2 ]
- A simple 20-40 dipole
- A simple to build full length 20/40 dipole antenna to be used in inverted vee configuration
[ Hits: 992 | Votes: 3 | Rating: 5.67 ]
- OCF Dipole
- A279;This is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It is a dipole fed off center with a 4:1 current balun at the offset feedpoint. The antenna shown covers 80, 40, 20 and 10 meters with 15 meters and WARC bands
[ Hits: 2558 | Votes: 7 | Rating: 9.43 ]
- Overview on some SOTA portable antennas
- A review of some portable antennas for SOTA operations, including linked dipoles, end-fed, verticals
[ Hits: 684 | Votes: 1 | Rating: 4 ]
- Portable link dipole
- A lightweight inverted vee antenna that can be supported by a 10 metre long fiberglass squid pole. The antenna is designed to cover 10, 15, 20, 40 and 80 m bands.
[ Hits: 1681 | Votes: 4 | Rating: 6 ]
- A lightweight dipole for 2 m
- A simple portable antenna for SOTA VHF is described in this article dedicated to portable operations
[ Hits: 497 | Votes: 0 | Rating: 0 ]
- The Gamma Match
- The gamma match was originally invented as a means of feeding vertical monopole antennas for medium wave broadcasts, which were earthed at the base for lightning protection- Hams are more likely to use a gamma match to feed a dipole or loop element, but the basic theory is easier to understand for the case of a quarter wave monopole.
[ Hits: 954 | Votes: 2 | Rating: 4.5 ]
- Balloon Vertical Omni-Antennas
- Experimenting vertical wire antennas for 40 and 20 meters supported by balloons resulting in excellent gain in RX and good overall performance against horizontal dipole
[ Hits: 771 | Votes: 1 | Rating: 5 ]
- A Low Cost Multi Band
- W3DZZ trapped multi-band antenna, exposed in this practical wireless article
[ Hits: 2047 | Votes: 3 | Rating: 7 ]
- OH2EC Antenna
- A trapped dipole antenna based on the orignal W3DZZ antenna design resonating on 80 40 20 15 10 meters
[ Hits: 1501 | Votes: 5 | Rating: 8.2 ]
- Fun and Games with the Spiderbeam 18 Meter Pole
- A portable operation experience with a SpiderBeam pole during a contest, testing wire antennas, like dipole and delta loops configurations on 20 40 and 80 meters band.
[ Hits: 312 | Votes: 1 | Rating: 10 ]
- Buddipole vertical on 40m
- A report on working a CQWW SSB on 40m with a vertical buddipole antenna
[ Hits: 613 | Votes: 1 | Rating: 1 ]
- Buddipole Deluxe Review
- A review of the Buddipole Deluxe Antenna portable HF VHF ham radio antenna
[ Hits: 684 | Votes: 1 | Rating: 4 ]
- PL259 Surge Arrestor
- Limiting static surges on dipoles, verticals or end fed antennas
[ Hits: 900 | Votes: 0 | Rating: 0 ]
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