projects

projects

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• VHF J Pole for 146 Mhz
  
  KF4SCI project for a VHF UHF jpole, working on 220 and 440 Mhz
  [ Hits: 4641 | Votes: 7 | Rating: 6.43 ]

• Receiving antenna for low bands - PA6Z
  
  K9AY loop antenna installed at PA6Z Contest group This is a receiving antennas for the ...
  [ Hits: 19596 | Votes: 12 | Rating: 7.91 ]

• Stealth Multiband Vertical  ^pop
  
  A vertical antenna for 40 and 80 meters band using a telescoping fiberglass fishing pole ...
  [ Hits: 52704 | Votes: 17 | Rating: 5.59 ]

• Build a hanging dipole for 2 metres
  
  Described here is a simple omni directional vertically polarized dipole for two meters Made from ...
  [ Hits: 5336 | Votes: 3 | Rating: 8.33 ]

• Band Filters
  
  Experience of band filters, for a contest multi operator enviroenment
  [ Hits: 4073 | Votes: 6 | Rating: 7.5 ]

• WE6W Field Day Antena design
  
  Interesting article on how build your own field day antenna
  [ Hits: 1171 | Votes: 0 | Rating: 0 ]

• Rhombic antennas
  
  Rhombic antenna experiments by Jelmer PA5R
  [ Hits: 3518 | Votes: 6 | Rating: 10 ]

• Multi Band Antenna Traps
  
  These devices are called Traps but they are actually more like frequency sensitive switches They ...
  [ Hits: 4851 | Votes: 3 | Rating: 6 ]

• A remote antenna tuner
  
  Interesting project to remotely control using a servo control circuit a common commercial antenna tuner ...
  [ Hits: 11748 | Votes: 6 | Rating: 7.33 ]

• VK6YSF - Peter - Peter Miles
  
  Amateur radio web site of Peter Miles VK6YSF The purpose of this site is to ...
  [ Hits: 352 | Votes: 1 | Rating: 7 ]

• K7SFN Frank - Frank Dziurda
  
  K7SFN personal page with some projects and pictures of his aerials
  [ Hits: 314 | Votes: 2 | Rating: 9.5 ]

• Trusted QSL
  
  Open source libraries and utilities to support using digital signatures for Amateur radio QSL system ...
  [ Hits: 2525 | Votes: 2 | Rating: 10 ]

• DarwinPSK
  
  DarwinPsk is free to licensed ham radio operators and is a great application for PSK ...
  [ Hits: 5935 | Votes: 8 | Rating: 8.63 ]

• A 20m monoband Power Amp
  
  The 20m monoband 4-1000 amplifier, by Jelmer (pa5r), Herman (pa0ten) and Frans (pa5ca)
  [ Hits: 2892 | Votes: 2 | Rating: 9.5 ]
• 80 m Hexfet power amplifier
  
  80m hexfet power amplifier by W7ZOI
  [ Hits: 3704 | Votes: 3 | Rating: 7.67 ]

• Active attenuator - WB2HOL
  
  This active attenuator works as a simple mixer by WB2HOL
  [ Hits: 1139 | Votes: 0 | Rating: 0 ]
• Simple adjustable passive attenuator - WB2HOL
  
  This adjustable passive attenuator works as a waveguide beyond cutoff It can be constructed in ...
  [ Hits: 1381 | Votes: 3 | Rating: 8.33 ]

• SV1BSX Homebrew Corner - John Maltas
  
  Offer a wide range of homebrewing projects mainly for VHF UHF operations From vhf antennas ...
  [ Hits: 1516 | Votes: 9 | Rating: 9.78 ]

• Variable regulated power supply
  
  1.2-30V 1.5A variable regulated power supply
  [ Hits: 2575 | Votes: 3 | Rating: 5 ]

• CAT & audio interface
  
  Schematics and plans to build a custom CAT and audio pc interface
  [ Hits: 5571 | Votes: 2 | Rating: 5.5 ]

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