20m vertical18 links
- 20m delta loop
- This antenna is fed for vertical polarisation, to give a low angle of radiation for DX and also a nearly omni-directional radiation pattern.
[ Hits: 62607 | Votes: 63 | Rating: 6.94 ]
- 20m End Fed Antenna
- 20m end fed half wave vertical antenna
[ Hits: 2626 | Votes: 6 | Rating: 6.5 ]
- 20m T-Monopole
- 20m T-Monopole short vertical antenna for 20 meters by AA5TB
[ Hits: 11329 | Votes: 5 | Rating: 9 ]
- A shortened 20m vertical
- A shortened 20m vertical antenna design made with 4Nec2
[ Hits: 1035 | Votes: 0 | Rating: 0 ]
- 6 Meter vertical antenna
- The VK2DOT 6 Meter Vertical Antenna project
[ Hits: 1235 | Votes: 3 | Rating: 4.67 ]
- 20m vertical end fed half wave
- An EFHW antenna by M5FRA G8FRA
[ Hits: 554 | Votes: 1 | Rating: 1 ]
- 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: 1124 | Votes: 2 | Rating: 10 ]
- J-Pole for 14MHz
- 20 meter wire j-pole for 14.2 MHz, a vertical, end-fed half wave antenna by N1LO
[ Hits: 4573 | Votes: 3 | Rating: 5.67 ]
- Homemade Carolina Windom antenna
- This multiband wire antenna it is an off centre fed dipole, with 10 feet of vertical radiator, needs no tuner on 40m, 20m and 10m and works fine on all bands above 40m with a tuner, and even below 40m on 60m, and 80m.
[ Hits: 7669 | Votes: 11 | Rating: 7.45 ]
- 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 ]
- 5 Band Telescopic Vertical Antenna
- 5 Band 1/4 wave Telescopic Antenna. The 20m to 10m, antenna is simple and cheap to make, and has a performance that matches commercial antennas but at cost considerably lower. The design was purposely based on a telescoping fibre glass fishing rod as this allows it to be easily stowed away in the car.
[ Hits: 2720 | Votes: 2 | Rating: 9.5 ]
- DXpedition Antennas for salt water locations
- Which is better a 20m antenna for an island DXpedition: Yagi at 25', or a vertical or two on the beach?
[ Hits: 414 | Votes: 0 | Rating: 0 ]
- Two Element Phased Verticals
- Two 40 meter phased vertical antennas, project, pictures and description by W4NFR
[ Hits: 941 | Votes: 2 | Rating: 6 ]
- 20m Quarter Wave Vertical
- A quarter wave vertical antenna for 20 meters band, with a good swr on 200 KHz. This antenna is basically made from two lengths of emt conduit by N0EQ
[ Hits: 2767 | Votes: 4 | Rating: 3.25 ]
- 20m 40m trapped squid pole antenna
- An homemade portable vertical antenna with a trap near the mid point of the main element. The trap is made with 42mm diameter PVC pipe with 9 turns of wire on it
[ Hits: 2617 | Votes: 5 | Rating: 5.2 ]
- Homemade Carolina Windom antenna
- An off centre fed dipole, with 10 feet of vertical radiator. It needs no tuner on 40m, 20m and 10m by M0UKD
[ Hits: 1132 | Votes: 1 | Rating: 1 ]
- TransWorld TW2010L Review
- A brief review of the TW2010L Backpacker Antenna. This is a portable vertical antenna covering 10,12,15,17 and 20m
[ Hits: 282 | Votes: 2 | Rating: 9.5 ]
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