20 m antenna
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Antennas : 160M- 160 Meter Antennas at W8JI
- 160-meter vertically polarized transmitting antennas center around this 200-foot tower
[ Hits: 3963 | Votes: 1 | Rating: 10 ]
- W5GI Mystery Antenna
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- W5GI Mystery Antenna is a multi-band wire antenna that performs exceptionally well even though it confounds antenna modeling software.
This antenna covers 80 to 6 meters with low feed point impedance and will work with most radios, with or without an antenna tuner. It is approximately 100 feet long, can handle the legal limit, and is easy and inexpensive to build. It is similar to a G5RV but a much better performer especially on 20 meters.
[ Hits: 139380 | Votes: 123 | Rating: 7.55 ]
- Helical loop antenna for 20 meters
- A Helical Loop Antenna for the 20-meters Band
[ Hits: 6070 | Votes: 3 | Rating: 5.67 ]
- VK5AH -HF 4 Bander dipole
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- A multiband 80-40-20-15 meters dipole wire antenna that can be extended to cover 160 meters too.
[ Hits: 54043 | Votes: 22 | Rating: 6.68 ]
- 2-Element-Yagis for HF
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- 2-Element parasitic Yagis for the Shortwave-Bands 10-12-15-17-20-30m. The antennas are feeded with the DK7ZB-match. A quarter-wave choke of coax is grounded at the socket.
[ Hits: 50046 | Votes: 146 | Rating: 7.08 ]
- Shorty Forty Antenna
- Short dipole antenna for 40 meter ham band.
Can be put up in the space required for a 20 meter dipole.
[ Hits: 12445 | Votes: 8 | Rating: 7.74 ]
- Trapped dipole for 40-80-160 meters
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- Build a space efficient trapped dipole antenna for 40-80-160 meter bands using RG-58 and PVC pipe by W8NX
[ Hits: 96963 | Votes: 119 | Rating: 6.24 ]
- Portable Magnetic Loop Antenna Version 2
- A simple multi-band magnetic loop antenna designed for 20, 30 and 40 metres. For its size, the performance of the antenna always astounds me, although it is never going to replace a Yagi
[ Hits: 5349 | Votes: 1 | Rating: 10 ]
- End fed halfwave antenna and matching unit
- One is an EFHWA for 20-40 meters, and the other is a matching unit for the antenna by n0lx
[ Hits: 10398 | Votes: 5 | Rating: 5.4 ]
- G5RV Antenna Homebrew
- Homebrew G5RV a simple multiband antenna. This article shows detailed pictures of a G5RV home made antenna, including antenna size and dimensions by 9M2ZAK
[ Hits: 1587 | Votes: 4 | Rating: 7.25 ]
- Log Periodic Antenna Design
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- calculates the dimensions and spacings of the elements needed to build a log periodic antenna, given tao, sigma and the lower and upper cutoff frequencies.
[ Hits: 34834 | Votes: 295 | Rating: 6.04 ]
- LU9DPD Windom dipole
- A multiband windom dipole antenna for 80 40 20 10 meters, feeded with a home made 4:1 balun, in spanish.
[ Hits: 5342 | Votes: 5 | Rating: 6 ]
- EC2APU multiband wire antenna
- Wire antenna for 10-15-20-40-80 meters band, with many drawings and description in spanish
[ Hits: 6598 | Votes: 6 | Rating: 5.17 ]
- CQ amateur radio - W5GI Mystery antenna
- Review of the W5GI Multiband Mystery Antenna by July 2003 Issue of CQ Amateur Radio
[ Hits: 6447 | Votes: 7 | Rating: 6.14 ]
- K-FACTOR Table & Chart
- Determine the K-Factor used as a multiplier when constructing half-wave antennas.
[ Hits: 3222 | Votes: 42 | Rating: 4.02 ]
- W8JI Antenna Towers
- 318 and 200 ft insulated towers
[ Hits: 2257 | Votes: 1 | Rating: 10 ]
- HS0ZEE Antenna Tower Installation
- Pictures and history of HS0ZEE 37 meters antenna tower installation with a cubical quad on the top of this tall radio mast.
[ Hits: 2475 | Votes: 6 | Rating: 8.67 ]
- Wire-Beam
- Wire beam antenna for the bands 6m, 10m, 12m, 15m, 17m and 20m
[ Hits: 2035 | Votes: 2 | Rating: 9.5 ]
- 4 element yagi for 20 meters
- Pictures and plans of a 4 elements yagi beam antenna for 14 Mhz
[ Hits: 13793 | Votes: 26 | Rating: 4.33 ]
- ICOMM Tele Limited
- Largest Capacity of 200,000 MT for Towers & market leader in India with backward integrated rolling & manufacturers of Shelters, V/UHF, Patch Panel Antennas, DIAS & DWDM Equipment
[ Hits: 961 | Votes: 2 | Rating: 5.5 ]
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