20 meter antenna

327 links - and 4 categories

5 Element, 2 Meter Yagi Antenna - Five- Element, 2 Meter Yagi for around $20. This antenna is easy on your wallet and easy to build!
[ Hits: 3362 | Votes: 16 | Rating: 4.87 ]
VHF Big Wheel Antenna - A popular 2 meter antenna returns in an improved, easier to reproduce form, 2008 QST article
[ Hits: 2404 | Votes: 4 | Rating: 7.5 ]

2 element GP for 7 MHz - A 2-element Parasitic Ground Plane for 40 Meters concept antenna
[ Hits: 891 | Votes: 3 | Rating: 7 ]

40 Meter Delta Loop - A multi band delta loop antenna that work on 20 and 40 meters band, that can be used either on 15 meters with poor performances
[ Hits: 3122 | Votes: 9 | Rating: 7 ]
Full Wave Delta Loop for 7 MHz - An homebrew project of a full wave delta loop antenna for the 40 meters band with dimensione, picture and assembling instructions in Indonesian
[ Hits: 780 | Votes: 1 | Rating: 8 ]

40 Meters 3 element Wire Yagi - A three element wire yagi antenna for 7 MHz project plan with drawings and EZNEC model
[ Hits: 2197 | Votes: 7 | Rating: 4.71 ]

80 meter Inverted L - Experiments with an 80 meter Inverted L Quarter wave antenna
[ Hits: 1140 | Votes: 0 | Rating: 0 ]

4-BAND COLA ANTENNA 20-17-15-10m - Concentric Open Loop Antenna Fed Off-Centre similar to the cobwebb antenna but resonating on 20-17-15-10 meters band
[ Hits: 9849 | Votes: 19 | Rating: 8.37 ]

2 Elements Delta Loop for 14 MHz - A delta loop antenna for 20 meters band designed with MMana with a tuning system made in a classic stub configuration
[ Hits: 528 | Votes: 2 | Rating: 6.5 ]

20 40 80 Trapped Dipole - An homemade portable trapped dipole antenna for 40 and 80 meters band with an optional extension for the 20 meters.
[ Hits: 1403 | Votes: 9 | Rating: 5 ]

Multiband End-Fed Antenna - A homebrew project for a multiband end-fed antenna made with a single FT140-43 and 50pf capacitor and 20 meters of wire.
[ Hits: 3435 | Votes: 8 | Rating: 6.12 ]

20 Meter Moxon Antenna - A club project experiment about a vertical Moxon antenna for 20 meter band
[ Hits: 1786 | Votes: 4 | Rating: 3.75 ]

OCF Dipole - This is a popular antenna design as the performance is very good across the HF bands and requires little or no tuning. It is a dipole fed off center with a 4:1 current balun at the offset feedpoint. The antenna shown covers 80, 40, 20 and 10 meters with 15 meters and WARC bands
[ Hits: 2559 | Votes: 7 | Rating: 9.43 ]

2 Meter 5 Element Quad - A five element quad antenna for 144 MHz DIY Project. This 2 Meter 5 Element Quad antenna was modeled using EZNEC, with a boom from a UHF TV antenna and CPVC pipe for spreaders. Constructed for 146MHz, it exhibits a gain of 10.7dB and an impedance of 75 ohms. Real-world results surpass the HT antenna, reaching over 20 repeaters up to 75 miles away. The design, costing around $10, employs simple tools for assembly.
[ Hits: 1889 | Votes: 9 | Rating: 6.23 ]

Balloon Vertical Omni-Antennas - Experimenting vertical wire antennas for 40 and 20 meters supported by balloons resulting in excellent gain in RX and good overall performance against horizontal dipole
[ Hits: 771 | Votes: 1 | Rating: 5 ]
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: 3020 | Votes: 5 | Rating: 5.2 ]

W3DZZ Multi-band Antenna 80-40-20-15-10m - A multiband antenna that can work from 80 to 10 meters in this illustrated docuemnt by G8ODE
[ Hits: 2731 | Votes: 4 | Rating: 8.75 ]
OH2EC Antenna - A trapped dipole antenna based on the orignal W3DZZ antenna design resonating on 80 40 20 15 10 meters
[ Hits: 1502 | Votes: 5 | Rating: 8.2 ]

Fun and Games with the Spiderbeam 18 Meter Pole - A portable operation experience with a SpiderBeam pole during a contest, testing wire antennas, like dipole and delta loops configurations on 20 40 and 80 meters band.
[ Hits: 313 | Votes: 1 | Rating: 10 ]