20 m projects

20 m projects

Categories

Pages: 1 2 3 [next]

• Multiband Cubical Quads
  
  EI7BA Multiband Cubical Quads projects includes two elements quad antennas for 10 12 15 17 ...
  [ Hits: 7916 | Votes: 5 | Rating: 9.4 ]

• Quad Antenna System by Pfeiffer Maltese  ^pop
  
  Excellent Quad Antenna projects for 40 20 17 12 10 and 6 meters band in ...
  [ Hits: 39228 | Votes: 13 | Rating: 7.54 ]

• VHF J Pole for 146 Mhz
  
  KF4SCI project for a VHF UHF jpole, working on 220 and 440 Mhz
  [ Hits: 4640 | Votes: 7 | Rating: 6.43 ]

• EA5XQ's Projects: Magnetic Loop
  
  Due to my job I have top travel a lot around the world in order ...
  [ Hits: 1853 | Votes: 0 | Rating: 0 ]
• HF Magnetic loop antenna
  
  VK3YE magnetic loop antenna plan that cover 7 Mhz to 20 Mhz and shortening loop ...
  [ Hits: 1292 | Votes: 1 | Rating: 5 ]

• Dualband 17m/20m Moxon - N3OX
  
  A Moxon rectangle antenna for 17 and 20 meters band
  [ Hits: 4014 | Votes: 1 | Rating: 4 ]

• The St Louis Vertical
  
  By Dave Gauding, NF0R
  [ Hits: 5762 | Votes: 4 | Rating: 6 ]

• OH7SV Matti Hohtola Ham Projects - Matti Hohtola
  
  The most modern QRP transceiver in 2004 Direct Conversion HF Transceiver with DDS LO 50 ...
  [ Hits: 20374 | Votes: 36 | Rating: 8.11 ]

• Digital ATV in simple terms
  
  This article was first published in CQ TV issue 208 Author try to explain digital ...
  [ Hits: 575 | Votes: 0 | Rating: 0 ]

• Ideas and Projects for QRP
  
  The free pdf book is a compilation of articles congenial to QRP published on 2003 ...
  [ Hits: 3317 | Votes: 4 | Rating: 10 ]

• 2 kW HF Amplifier Rebuild
  
  Heathkit SB-220 amplifier repaired at W8UM
  [ Hits: 7642 | Votes: 6 | Rating: 5.17 ]

• DSPRX
  
  Signalprocessing for SSB Direct Conversion Receiver using Phasemethod for Sideband Supression does all necessary signalprocessing ...
  [ Hits: 2477 | Votes: 0 | Rating: 0 ]

• Free programmable DSP-Filter  ^pop
  
  Free programmable LOW/HIGH/BANDPASS FIR filter in the audio range 0-4kHz
  [ Hits: 30339 | Votes: 86 | Rating: 5.82 ]

• CLLOG
  
  Free german Open Source HAM Logging Program unter the terms of the GNU General Public ...
  [ Hits: 9597 | Votes: 4 | Rating: 4.25 ]

• Ionospheric Simulator
  
  This program simulates a HF link using sound card and WIN95 by Michael Keller DL6iAK ...
  [ Hits: 2791 | Votes: 7 | Rating: 7.14 ]

• Double Tone IQ-Generator
  
  Easy to use double tone IQ generator for testing direct conversion SSB transmitters based on ...
  [ Hits: 4463 | Votes: 9 | Rating: 3.78 ]

• Simple Beacon Monitor
  
  Displays the actual transmitting beacons of the NCDXF/IARU Beacon Project.
  [ Hits: 1486 | Votes: 4 | Rating: 6.25 ]
• Double Tone Generator
  
  Double tone generator for testing intermodulation
  [ Hits: 4285 | Votes: 12 | Rating: 6.26 ]

• A 20m monoband Power Amp
  
  The 20m monoband 4-1000 amplifier, by Jelmer (pa5r), Herman (pa0ten) and Frans (pa5ca)
  [ Hits: 2891 | Votes: 2 | Rating: 9.5 ]

• The smk-1 on 20m
  
  Taking the venerable SMK 1 design to 20m and adding an RF amp audio filter ...
  [ Hits: 919 | Votes: 0 | Rating: 0 ]

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