20 meter

20 meter

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• Petlowany Three-Band Burner Antenna
  
  The Petlowany Three Band Burner is a simple low cost trapless short vertical antenna which ...
  [ Hits: 6060 | Votes: 5 | Rating: 7.2 ]

• Monster Quads
  
  N6LF tells us about his monster two element 40 meter quad with bonus three elements ...
  [ Hits: 6377 | Votes: 0 | Rating: 0 ]
• HF Copper Loop for 20 and 15 meters
  
  A Small Transmitting Loop Antenna for 14MHz and 21MHz This is an antenna you might ...
  [ Hits: 7744 | Votes: 1 | Rating: 5 ]

• Endfed 20/30 Mtr Antenna
  
  Article with detailed pictures of an endfeed antennna for 20 and 30 meter band ...
  [ Hits: 11351 | Votes: 4 | Rating: 4.75 ]
• KD6WD Moxon Antenna Project
  
  KD6WD introduce moxon rectangles and in particular explains how he built a moxon antenna for ...
  [ Hits: 8010 | Votes: 7 | Rating: 7.14 ]

• An effective 3 band Wire DX aerial - G4WYW
  
  A 3 band dipole for 10 15 and 20 meters band easy to build and ...
  [ Hits: 13437 | Votes: 5 | Rating: 6.4 ]

• A 40 meters DDRR Antenna
  
  A direct drive ring radiator antenna for the 40 meters band by W6WYQ QST article ...
  [ Hits: 3409 | Votes: 8 | Rating: 3.37 ]

• Backyard 7 Mhz Vertical
  
  A vertical antenna for 40 meters band by PA5MW
  [ Hits: 1330 | Votes: 0 | Rating: 0 ]
• A portable 10/20/40 mt vertical antenna - IK4DCS  ^pop
  
  A portable vertical antenna for 10 to 40 meters designed for mobile operations can be ...
  [ Hits: 81665 | Votes: 55 | Rating: 5.01 ]

• A Horizontal loop for 80 meter dx - VE2CV
  
  This 80 meter quad loop system requires only supports of modest height a better single ...
  [ Hits: 6567 | Votes: 4 | Rating: 5.5 ]

• CobWeb multiband folded dipole
  
  The cobweb antenna it is basically a 5 band antenna comprising of 5 full half ...
  [ Hits: 8633 | Votes: 0 | Rating: 0 ]

• QRP Fan Dipole - M0WYM
  
  Attic Fan dipole antenna that allow to operate QRP from 40 metres to 10 metres ...
  [ Hits: 8499 | Votes: 8 | Rating: 5.63 ]

• Indoor multiband dipole - HB9MTN
  
  This indoor dipole is available in two version for 20 10 meters and 40 10 ...
  [ Hits: 7090 | Votes: 5 | Rating: 7.2 ]

• SpiderBeam construction guide
  
  Build a spiderbeam from scratch for 20-17-15-12-10 meters band
  [ Hits: 2570 | Votes: 5 | Rating: 6.67 ]

• Delta Loop antenna maintenance
  
  IK4DCS experience on maintaining a multiband delta loop antenna for 10/12/20 meters.
  [ Hits: 4294 | Votes: 3 | Rating: 3.33 ]

• EZ-Lindenblad Antenna for 2 Meters - AA2TX
  
  This easy to build antenna works well for satellite or terrestrial communication horizontal or vertically ...
  [ Hits: 7667 | Votes: 12 | Rating: 9.25 ]

• T2FD antenna
  
  A T2FD antenna for 10-15-20 meters band
  [ Hits: 4648 | Votes: 15 | Rating: 6 ]

• Effects of Very Large Ground Screens
  
  A theoretical and experimental study of the effects of very large ground screens on 20 ...
  [ Hits: 468 | Votes: 0 | Rating: 0 ]

• Homebrew HF Amp with 3CX3000F7
  
  Grounded grid triode HF linear amplifier with pictures and schematics diagrams by W2DTC The amp ...
  [ Hits: 3274 | Votes: 9 | Rating: 6.33 ]

• 50 Mhz solid state 600W amplifier
  
  G3WZT John Matthews project of a 600 Watt solid state linear amplifier for the 6 ...
  [ Hits: 2178 | Votes: 0 | Rating: 0 ]

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