40m 20m antenna21 links
- Capacitive Antennas
- HB9MTN Capacitive antennas for 40m, 30m AND 20m
[ Hits: 1194 | Votes: 2 | Rating: 8.00 ]
- 40M Bazooka antenna
- Hombrewing a bazooka antenna for 40 meters band, the article include also with plans for 20m and 160m band.
[ Hits: 3452 | Votes: 23 | Rating: 6.67 ]
- 80m OCF Dipole
- A simple 7 bands off-center dipole wire antenna designed to work on 80 meters band and that can cover also 40m 30m 20m 15m 12m 10m with acceptable SWR
[ Hits: 1479 | Votes: 2 | Rating: 6.00 ]
- Bazooka Antenne
- A bazooka antenna design in German with dimensions for 20m and 40m band with RG174 coax cable stronger than the common RG58
[ Hits: 694 | Votes: 1 | Rating: 2.00 ]
- A simple 20-40 dipole
- A simple to build full length 20/40 dipole antenna to be used in inverted vee configuration
[ Hits: 686 | Votes: 3 | Rating: 5.67 ]
- QRO End Fed Half Wave Antenna Coupler
- A 40m through 20m QRO End Fed Half Wave Antenna Coupler by Steve Yates - AA5TB
[ Hits: 2989 | Votes: 3 | Rating: 10.00 ]
- 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: 794 | Votes: 1 | Rating: 10.00 ]
- QRP Multi-band EFHW antenna for SOTA
- Link End Fed Half Wave Antenna and Tuner for SOTA designed to work on 15m, 20m, and 40m.
[ Hits: 894 | Votes: 1 | Rating: 9.00 ]
- Stealth Apartment Antenna
- Simple DIY stealth apartment antenna for 20m and 40m. It is basically a ZigZag quarter wave dipole antenna
[ Hits: 2666 | Votes: 2 | Rating: 9.00 ]
- 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: 7468 | Votes: 10 | Rating: 8.10 ]
- 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: 4817 | Votes: 4 | Rating: 8.00 ]
- Heavy Duty linked dipole
- A multi band dipole antenna that covers 15m 20m 30m 40m
[ Hits: 978 | Votes: 0 | Rating: 0.00 ]
- Center-Loaded Off-Center-Fed Dipole - 6 band
- Multiband Center-Loaded Off-Center-Fed Dipole (CL-OCFD) antenna that work on 80m 40m 30m 20m 15m 10m
[ Hits: 7392 | Votes: 6 | Rating: 6.83 ]
- GAP Titan DX performance test
- GAP Titan DX Evaluation, antenna for 10m 15m 20m 40m 80m
[ Hits: 13724 | Votes: 17 | Rating: 5.59 ]
- Two Element Phased Verticals
- Two 40 meter phased vertical antennas, project, pictures and description by W4NFR
[ Hits: 856 | Votes: 2 | Rating: 6.00 ]
- 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: 2375 | Votes: 5 | Rating: 5.20 ]
- 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: 1018 | Votes: 1 | Rating: 1.00 ]
- 3 band portable wire antenna
- A portable antenna for 40m, 30m and 20m bands
[ Hits: 455 | Votes: 1 | Rating: 1.00 ]
- Chameleon Antenna
- The Chameleon V1 HF Multiband Antenna is a mobile antenna that can also be used as portable. Lightweight mil whip antenna system with 10 BANDS capability 6m, 10m, 12m, 15m, 17m, 20m, 30m, 40m, 60m & 80m.
[ Hits: 2969 | Votes: 15 | Rating: 0.00 ]
- The Ventenna
- Rugged, disguised 2m, 220MHz, 440MHz, and 2m/440 dual band antennas, HF portable antennas, portable dipoles.
[ Hits: 4355 | Votes: 18 | Rating: 8.55 ]
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