vertical 20 meter antenna54 links - and 1 categories
Pages: [prev] 1 2 3Antennas : 160M
- Top Band on a Vertical Yagi
- 160 Meters on the 3-element 80 Meter Vertical Yagi antenna
[ Hits: 151 | Votes: 0 | Rating: 0 ]
- 20 meter short loaded vertical antennas
- Loading is a way to lower the resonant frequency of an antenna radiator. This technique is typically used in antennas that have radiating elements that are too short for the desired resonance frequency. In this excellent article the author experiment loaded vertical dipoles for 20 meters band
[ Hits: 219 | Votes: 1 | Rating: 9 ]
- A Simple High-Performance Vertical Antenna
- This article describes the details of the design, which can be easily scaled for just about any HF band. The antenna described in this article is for the 20 meters band.
[ Hits: 541 | Votes: 2 | Rating: 9.5 ]
- Coax Dipole for 2 meters band
- A homebrew 2m 144.2 MHz vertical 1/2 wave Coaxial Dipole antenna project for your home QTH, SOTA, portable field operations/WICEN exercises or the emergency 2m Go-box. Elsewhere in amateur radio circles this antenna is known as a 2m Flower Pot Antenna
[ Hits: 220 | Votes: 3 | Rating: 6 ]
- Building a 40m Delta Loop Antenna
- An experimento of a 40 meter delta loop antenna both in horizontal and vertical polarization and several elevation angles with interesting notes about the effect of the radial field under the antenna.
[ Hits: 262 | Votes: 4 | Rating: 8.25 ]
- A very efficient half size 40 meter Vertical Antenna
- A vertical antenna project for the 7MHz made with some spare parts. Based on a broken 20 foot fishing pole, it is based on a good ground system made with radials and a capacitive hat done to increase the global radiation resistance of the antenna. A custom loading coil is also included in this project to perfectly tune the antenna to the CW portion of the 40 meters band.
[ Hits: 696 | Votes: 4 | Rating: 8.5 ]
- Six Meter Antennas Reviewed
- In this article the author describes his personal experience on some antennas for 50 MHz he tested on the field, the six meter Dipole, Vertical, Moxon, a 3 element Yagi and an Omniangle antenna.
[ Hits: 129 | Votes: 0 | Rating: 0 ]
- Top Loaded Vertical Antenna for 80 Meters Band
- Top Loaded Vertical Antenna 3,5 MHz 80m and a 14 MHz Trap for the 20m band. The weight of this portable vertical antenna is less than 1 kg, including the ground network. The weight of the telescopic fiberglass fishing rod is another 1kg. The rod expands from 1.5 meters to 8 meters.
[ Hits: 257 | Votes: 0 | Rating: 0 ]
- Portable Vertical Antenna
- A home made portable vertical antenna, that with a single 1/4 wave counterpoise wire is possible to achieve less than 1.5:1 SWR on 40, 30, and 20 meter bands. It is basically a center load, shortened ground plain vertical antenna.
[ Hits: 355 | Votes: 0 | Rating: 0 ]
- Build this Vertical Portable HF Antenna
- An experimental prototype of an asymmetrical hatted vertical dipole antenna that can work on HF bands 20 to 10 meters band. The AHVD Vertical dipole is an upside-down T design
[ Hits: 345 | Votes: 3 | Rating: 9.67 ]
- 5 Band Pipe Vertical Antenna
- A simple, cheap and easy to build 26 feet long vertical antenna that works DX on 20 - 10 meters including WARC Bands, it is designed for portability for field days, camping, or permanent installation, cost, and to achieve at least 1/2 wavelength on the WARC bands.
[ Hits: 509 | Votes: 5 | Rating: 6.2 ]
- 20-30m Vertical Antenna
- Homebrew project for a vertical antenna with a coaxial-cable trap, that works on 20 and 30 meters band.
[ Hits: 39 | Votes: 0 | Rating: 0 ]
- Cushcraft R8 Vertical Project
- 40/30/20/17/15/12/10/6 Meters antenna setup and assembly with high res pictures of the R-8 Antenna
[ Hits: 262 | Votes: 0 | Rating: 0 ]
- A Simple Field Strength Meter
- Mad your own simple FS meter. It is the simplest thing to make and is good enough to see if the antenna under test is radiating more power than your old ground plane, old mobile vertical or just radiating at all in a particular direction or in all directions.
[ Hits: 150 | Votes: 0 | Rating: 0 ]
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