20 meter
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Antennas : 40M : 40 meter Yagi Antennas- 3 Element Yagi for 40 Meters
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- An homebrew project for a 3 element coil-loaded Yagi beam antenna for 40 Meter band
[ Hits: 1084 | Votes: 3 | Rating: 5.67 ]
- Six Meter Quad Turnstile Antenna
- Simple 6 Metre DX Antenna based on an article by LB Cebick in QST May 2002 on a Quad Turnstile antenna. This antenna is basically two full wave loops mounted at right angles fed 90 degrees out of phase to produce an omni-directional horizontally polarized pattern
[ Hits: 702 | Votes: 2 | Rating: 9.5 ]
- 3 Element Yagi Antenna Plan for 6 meter
- A short boom, wideband 3 element yagi antenna plan for six meters that cover the entire band with a resonable performance and a 50 Ohm SWR of less 2:1. Article appeared in QST August 2007
[ Hits: 1292 | Votes: 0 | Rating: 0 ]
- Building and Using an Experimental Beverage
- An interesting article about planning and testing beverage antennas for 80 and 160 meters in a rural location
[ Hits: 789 | Votes: 3 | Rating: 5.33 ]
- Trapped Dipole for 15/20 Meters Bands
- An easy to build dipole for 21 and 14 MHz with traps made by two T50-6 toroids cores mounted on a simple PCB foil
[ Hits: 625 | Votes: 2 | Rating: 7 ]
- 80M 4-Square
- An antenna project to obtain a bigger signal on the
80 Meter (3.5 to 3.8 MHz) amateur radio band
[ Hits: 838 | Votes: 0 | Rating: 0 ]
- 3 band J-Pole Antenna
- Pictures of a 2 meter, 220, 440 copper J-Pole antennas
[ Hits: 2611 | Votes: 12 | Rating: 6.08 ]
- Magnetic Loop Antenna for 40-20m
- If you have space constraint at your QTH for a HF antenna, you can try contructing this HF magnetic loop antenna for 40-20 meters bands
[ Hits: 1530 | Votes: 2 | Rating: 3 ]
- An HF Mobile Antenna
- An home made HF mobile multiband antenna inspired by the KM4IE HF 20 dollars antenna or the Texas Bugcatcher can work 75 to 15 meters band with an acceptable SWR.
[ Hits: 811 | Votes: 0 | Rating: 0 ]
- Morgain 40-80 by IM0JZJ
- This folded dipole, can be even built for 10 and 20 meters band, and can also give good results on 15 meters, with the sole lenght of just 20 meter of total lenght. Originally born to work on 40 meters, can be adapted for any band.
[ Hits: 1716 | Votes: 7 | Rating: 6.71 ]
- A 20 meter Moxon Antenna
- Moxons work great, and they take up less space than full size two element Yagis
[ Hits: 2372 | Votes: 3 | Rating: 6.67 ]
- Portable lightweight link dipole
- A multi band portable link dipole antenna for 20 30 and 40 meters band
[ Hits: 849 | Votes: 0 | Rating: 0 ]
- The Stake Stick Vertical
- A portable HF vertical antenna that can be used from 10 to 20 meters band
[ Hits: 397 | Votes: 0 | Rating: 0 ]
- ZD7BR St Helena DX Pedition 2017
- DX Pedition to St Helena 10-80 meters bands SSB RTTY FT8 CW by G0VDE
[ Hits: 302 | Votes: 1 | Rating: 3 ]
- Buddipole vs Wire Dipole on 20m
- A comparison of the buddipole antenna versus a wire dipole done on 20 meters band
[ Hits: 750 | Votes: 3 | Rating: 4 ]
- Elevated MP-1 Antenna
- A test with a superantenna MP-1 on a tripod operating HF bands on 40 20 and 17 meters band
[ Hits: 439 | Votes: 1 | Rating: 8 ]
- The WB0RIO 28 Mhz Arduino Beacon
- This project involves the construction of a 5 Watt Morse code beacon transmitter that operates in the 28.200 to 28.300 section of the 10 Meter Amateur Radio band. The beacon controller uses an Arduino Uno microprocessor board to produce the three signals that control the transmitter.
[ Hits: 626 | Votes: 0 | Rating: 0 ]
- 160m 20w AM transmitter
- Born as a companion transmitter for the Yaesu FRG-7 receiver has become a stand alone tramsmitter for 160 meters band
[ Hits: 784 | Votes: 3 | Rating: 10 ]
- A 500 Watt HF Dummy Load and Power Meter
- This project was published in the April 2004 issue of the Australian magazine Amateur Radio, and has been designed using parts which are very readily available.
[ Hits: 2012 | Votes: 2 | Rating: 9 ]
- 2N2/20 CW Transceiver
- 2N2/20 - A 20 Meter, Discrete Component CW Transceiver Built Manhattan-style
[ Hits: 365 | Votes: 0 | Rating: 0 ]
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