20 m vertical103 links - and 2 categories
Antennas : 10M
- Petlowany Three-Band Burner Antenna
- The Petlowany Three-Band Burner is a simple, low-cost, trapless short vertical antenna which amazingly works on three HF bands (20, 15 and 10 meters). This web page contains pictures, performance data, and enough construction details so you can homebrew your own.
[ Hits: 5813 | Votes: 5 | Rating: 7.2 ]
- 20 Meter Vertical Moxon
- A 14 Mhz version of the vertical moxon antenna homebrewed.
[ Hits: 9194 | Votes: 12 | Rating: 5.42 ]
- Vertical antenna for 20-15-10 m
- This is a vertical multiband antenna made up of several aerial elements lambda/4 length, feeded with just a coaxial cable in French.
[ Hits: 21554 | Votes: 16 | Rating: 5.32 ]
- The ground image vertical antenna
- A 20 meter quarter wave vertical antenna by jerry sevick W2FMI QST Article
[ Hits: 5266 | Votes: 4 | Rating: 7.25 ]
- Vertical moxon for 14 Mhz
- A vertical Moxon with different feeding for the 20 meters
[ Hits: 6049 | Votes: 4 | Rating: 9 ]
- Backyard 7 Mhz Vertical
- A vertical antenna for 40 meters band by PA5MW
[ Hits: 1086 | Votes: 0 | Rating: 0 ]
- 2 Elements revesible verticals antennas
- 2 element reversible verticals, small footprint, big results.
[ Hits: 2177 | Votes: 1 | Rating: 8 ]
- A portable 10/20/40 mt vertical antenna
- A portable vertical antenna for 10 to 40 meters, designed for mobile operations can be used in a car as seen in pictures. A modified version for 20 and 40 meters is described too.
[ Hits: 76382 | Votes: 43 | Rating: 5.05 ]
- Vertical Moxon for 40 meters
- A vertical half-moxon for the 7 Mhz by F6IRF
[ Hits: 2535 | Votes: 1 | Rating: 7 ]
- Home Brew Loading Coil for AD5X Vertical
- How to make a loading coil for the AD5X portable vertical antenna
[ Hits: 2937 | Votes: 13 | Rating: 7.91 ]
- Radial System Design
- Are the lengths of antenna radials related to the height of a vertical? By N6LF
[ Hits: 762 | Votes: 1 | Rating: 5 ]
- Vertical antenna for Vacation
- Vertical Vacation Antenna for 80, 40 and 20 Meter-Band, by Herbert OE3BMB
This antenna is a full size λ/4 for 20m and 40m band, and a shortened λ/4 for the 80m band.
Generally on the 40m band the SWR is under 1,6. In 80m and 20m band at the resonant frequency the SWR is about 1,1.
[ Hits: 4879 | Votes: 4 | Rating: 8 ]
- ON3JT vertical multiband hf antenna
- A simple and low cost multiband vertical hf antenna covering 5 bands (20m-10m) from an old CB antenna
[ Hits: 3903 | Votes: 2 | Rating: 6.5 ]
- EZ-Lindenblad Antenna for 2 Meters
- This easy to build antenna works well for satellite or terrestrial communication, horizontal or vertically polarized by Anthony Monteiro, AA2TX QST Article
[ Hits: 6916 | Votes: 12 | Rating: 9.25 ]
- Effects of Very Large Ground Screens
- A theoretical and experimental study of the effects of very large ground screens on 20 meter verticals
[ Hits: 349 | Votes: 0 | Rating: 0 ]
- G8JNJ Broadband HF Vertical Antenna
- G8JNJ Broadband HF Vertical Antenna - Requires no tuner - great results from 40m to 10m plus 80m & 6m with reduced performance
[ Hits: 4452 | Votes: 4 | Rating: 7 ]
- Dual Band vertical antenna for 20/40
- A 20 and 40 meter vertical on Autopilot by K6MHE PDF File
[ Hits: 12009 | Votes: 10 | Rating: 7.2 ]
- 28.2025 MHz. 5 Watts output to a half wave, end fed, vertical antenna.
[ Hits: 269 | Votes: 0 | Rating: 0 ]
- VA3GRR - Radio Beacon
- VA3GRR is a radio beacon, operating on the 10 meter amateur band. Its frequency is 28.205.5 MHz. It runs just under 5 watts of power into a vertical half-wave ringo style antenna
[ Hits: 351 | Votes: 1 | Rating: 10 ]
- Operating NVIS
- Near Vertical Incidence Sky Wave (NVIS) Propagation, PPT presentation by Marc C. Tarplee, Ph.D. N4UFP
[ Hits: 1425 | Votes: 4 | Rating: 9.5 ]
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