projects

projects

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• Build a 2 Meter 5/4 Wave Antenna - N1HFX  ^pop
  
  This antenna is unique in that it is enclosed entirely in 3/4" PVC
  [ Hits: 37163 | Votes: 24 | Rating: 5.91 ]

• Build A 9dB, 70cm Collinear Antenna  ^pop
  
  70cm, Collinear Antenna From Coax
  [ Hits: 32701 | Votes: 105 | Rating: 6.87 ]

• 80 meter frame antenna - SM0VPO
  
  This projects was developed as a result of experiments to become QRV on 80 meters ...
  [ Hits: 6596 | Votes: 8 | Rating: 6.5 ]

• Homebrew A 4 To 1 Balun
  
  How to build a to 1 balun by N1HFX
  [ Hits: 12245 | Votes: 12 | Rating: 6.49 ]

• Crystal Receiver World
  
  Crystal receivers, construction projects and plans, old-time crystal sets, hints, crystal receiver store.
  [ Hits: 529 | 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: 3320 | Votes: 4 | Rating: 10 ]

• EggsHam
  
  EggsHam is a PalmOS application that generates and grades _practice_ amateur radio licensing exams It ...
  [ Hits: 1004 | Votes: 4 | Rating: 9.75 ]

• Build An Audio Speech Processor
  
  When one operates at low power on SSB speech processing becomes almost essential to get ...
  [ Hits: 4090 | Votes: 13 | Rating: 7.3 ]

• Build a simple rechargeable CMOS Battery
  
  An inexpensive rechargeable CMOS battery system that can be built from readily available parts ...
  [ Hits: 881 | Votes: 4 | Rating: 5.75 ]

• Voltage Regulator From Discrete Components
  [ Hits: 1124 | Votes: 6 | Rating: 7.67 ]
• 10 Amp 13.8 Volt Power Supply
  
  Sometimes amateurs like to home brew their power supplies instead of purchasing one off the ...
  [ Hits: 1935 | Votes: 3 | Rating: 9.67 ]

• Band filters by PA9M
  
  Band filters for PA6Z made by PA9M, designed by W3NQN.
  [ Hits: 478 | Votes: 1 | Rating: 9 ]

• 5 Watt 40 Meters transmitter
  
  This circuit is unique in that it uses a power mosfet as a final rather ...
  [ Hits: 8446 | Votes: 7 | Rating: 5.29 ]

• Build a Vox Circuit
  
  by Mike Martell N1HFX
  [ Hits: 5004 | Votes: 22 | Rating: 5.19 ]
• A cheap S Meter
  
  A low-level voltage meter and could even be used for audio purposes.
  [ Hits: 2641 | Votes: 4 | Rating: 6.25 ]

• Simple Electronic Keyer
  
  A simple keyer which can be built for as little as 6 with some junk ...
  [ Hits: 5143 | Votes: 7 | Rating: 7.71 ]
• Easy Morse Code Keyer Circuit
  
  based on the famous Curtis family of morse keyer chips and has a proven record ...
  [ Hits: 7557 | Votes: 5 | Rating: 7 ]

• The ROSE 80 CW Transceiver
  
  Build a 5 watt, 80 meter QRP CW Transceiver Designed by N1HFX
  [ Hits: 3024 | Votes: 2 | Rating: 5.5 ]

• An Inexpensive PL Tone Encoder
  
  If your local repeater has got you singing the PL tone blues then read on ...
  [ Hits: 2437 | Votes: 5 | Rating: 10 ]

• SDR - Software Defined Radio Projects
  
  An updated and classified collection of SDR projects and realizations
  [ Hits: 8237 | Votes: 12 | Rating: 6.75 ]

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