20 meter
462 links - and 5 categories
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Antennas : 40M- 40M Twin Half-Square Array
- 40 meters elevated vertical antenna array at VA7ST
[ Hits: 3480 | Votes: 2 | Rating: 5.5 ]
- 40 m linear loaded dipole antenna
- The K4VX linear-loaded dipole for 7 MHz, simple and practical way to make a short but efficient 40-meter dipole.
[ Hits: 4747 | Votes: 6 | Rating: 5.83 ]
- 40 m Band Delta loop Antenna
- 40 meters band Delta loop antenna plan that is vertically polarised
[ Hits: 9721 | Votes: 19 | Rating: 4 ]
- Multi-Band Mono Delta Loop
- Build a Multi-Band Mono Delta Loop for 40, 30, 20 and 15 Meters.
[ Hits: 6787 | Votes: 9 | Rating: 5.22 ]
- Short Tri-Band Vee Dipole
- A three band short Vee antenna is feasible with two legs per side on a dipole. 10-15-20 meters by W8HDU
[ Hits: 1047 | Votes: 2 | Rating: 6.5 ]
- 40/80 Trap Dipole Design
- An home made trapped dipole antenna for 40 and 60 meters band by 2E0HTS
[ Hits: 2575 | Votes: 4 | Rating: 7.75 ]
- Inverted V Dipole for 10 15 20 meters
- Inverted V Trapped dipole antenna for 14MHz,
21MHz and 28MHz ham radio bands.
[ Hits: 1295 | Votes: 0 | Rating: 0 ]
- J-Pole for 14MHz
- 20 meter wire j-pole for 14.2 MHz, a vertical, end-fed half wave antenna by N1LO
[ Hits: 5227 | Votes: 3 | Rating: 5.67 ]
- 20 Meter Jpole Vertical
- The J pole vertical for 14MHz is built from a fifty-foot TV push up mast by Mike Higgins, K6AER
[ Hits: 7837 | Votes: 6 | Rating: 6.5 ]
- W3DZZ 80-10 meters
- W3DZZ trap dipole for 80 through 10 meters
[ Hits: 6787 | Votes: 8 | Rating: 4.5 ]
- Doublet Antenna for 80-10m
- Doublet multiband antenna for 80 to 10 meters band by
[ Hits: 3440 | Votes: 5 | Rating: 6.4 ]
- Multiband HF Vertical
- A telescopic pole that you adjust to suit the band you're working on , tested on 40 20 and 15 meters band by M0PZT
[ Hits: 2379 | Votes: 5 | Rating: 7 ]
- QROlle, 6 Band QRP-rig
- QROlle QRP-rig. 6 Band Shortwave rig with SMD:s.
160, 80, 40, 30, 20, 17 meters SSB/CW QRP-rig.
All documentation in English
[ Hits: 2235 | Votes: 2 | Rating: 9.5 ]
- GAP Titan DX - Test Details
- GAP Titan DX 10 15 20 40 meter performance tests by AA3RL
[ Hits: 851 | Votes: 0 | Rating: 0 ]
- Solarcon A99 for 20 Meters
- Tuning the Solarcon Antron A-99 antenna for 20 meters band
[ Hits: 1921 | Votes: 1 | Rating: 1 ]
- Solarcon A99 on VHF Bands
- Using the A99 on 2 meters band
[ Hits: 1180 | Votes: 0 | Rating: 0 ]
- 5-band RF Power Amplifier
- This project uses a widely available IRF510 MOSFET, work on HF 80, 40, 30, 20 and 17 meter bands
[ Hits: 6951 | Votes: 5 | Rating: 7.4 ]
- Converting ZetaGi HP201 for ham bands
- Conversion of Zetagi HP201 SWR wattmeter for HF Amateur Bands by G8ODE
[ Hits: 1960 | Votes: 4 | Rating: 7.5 ]
- DSB/CW QRP rig for 20 and 40 mt.
- An experimental DSB/CW QRP rig for 20 and 40 meter bands
[ Hits: 1404 | Votes: 1 | Rating: 10 ]
- QRP AM CW transmitter
- A simple low-power broadcast-type circuit, using a crystal oscillator integrated circuit and an a collector modulated AM oscillator
[ Hits: 1097 | Votes: 2 | Rating: 8.5 ]
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