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• Better Feedline Loss Measurements with Antenna Analyzers
  
  Various publications through the years have shown how the SWR measured on a shorted or ...
  [ Hits: 1924 | Votes: 2 | Rating: 10 ]

• Windom Antenna with 4:1 balun
  
  The Windom is an Off center wire multiband Antenna The old version was fed just ...
  [ Hits: 8031 | Votes: 9 | Rating: 6.89 ]

• BigRadios.COM Marketplace
  
  Web forum with an open marketplace to sell and buy old radios
  [ Hits: 1278 | Votes: 2 | Rating: 5.5 ]

• PQLHA Quebec Lighthouse award
  
  This award is open to all Amateurs and SWLs
  [ Hits: 258 | Votes: 0 | Rating: 0 ]

• QSL Search machine by OZ7C
  
  Records based on OZ2DXC Copenhagen DXcluster QSL and MGR databases.
  [ Hits: 440 | Votes: 1 | Rating: 5 ]

• Trusted QSL
  
  The mission of the Trusted QSL Group is to keep eQSL an open and free ...
  [ Hits: 614 | Votes: 1 | Rating: 10 ]

• Hamilton Amateur Radio Club
  
  The Hamilton Amateur Radio Club operates the VE3NCF repeater 146 760 and 444 075 MHz ...
  [ Hits: 502 | Votes: 2 | Rating: 5.5 ]

• W6VIO JPL Amateur Radio Club
  
  The JPL Amateur Radio Club is open to employees and contractors working at all Jet ...
  [ Hits: 278 | Votes: 0 | Rating: 0 ]

• KB0TUC The Royal Gorge Amateur Radio Club
  
  A General-Interest ARRL Affiliate Operating Open Repeaters in Canon City, Colorado
  [ Hits: 540 | Votes: 1 | Rating: 8 ]

• Quannapowitt Radio Association
  
  The QRA is an organization open to all interested in radio communication Its goal is ...
  [ Hits: 244 | Votes: 0 | Rating: 0 ]

• W2IMU Avaya Lincroft Amateur Radio Club
  
  Open to employees and retirees of Avaya Inc in Lincroft NJ As Avaya Inc was ...
  [ Hits: 354 | Votes: 0 | Rating: 0 ]

• HB9FX Internet Remote Base JN37XH Hochwacht Zofingen Switzerland - xaver schnueriger
  
  Online web receiver powered by OpenWebRX based in Switzerland You can isten between 10kHz 10GHz ...
  [ Hits: 14081 | Votes: 111 | Rating: 6.7 ]

• OpenAPRS
  
  Openaprs is a site dedicated to bringing you aprs tracking data and weather information ...
  [ Hits: 729 | Votes: 5 | Rating: 7.4 ]

• Linrad
  
  An open source software defined receiver for Linux, Free DSP and Windows
  [ Hits: 5726 | Votes: 4 | Rating: 7.5 ]

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

• cocoaModem
  
  CocoaModem is an opensource MacOSX application which implements modems modulator demodulators for RTTY PSK MFSK ...
  [ Hits: 3185 | Votes: 6 | Rating: 8.33 ]

• OpenBCM
  
  The BayCom Mailbox is an amateur radio citizen band AX 25 Bulletin Board System with ...
  [ Hits: 1500 | Votes: 1 | Rating: 5 ]

• Propagation Wizard
  
  Freeware windows application that help in determine the availability of a shortwave link by Rohde ...
  [ Hits: 2792 | Votes: 4 | Rating: 7.25 ]

• Codec 2
  
  Codec2 is an open source low bit rate speech codec designed for communications quality speech ...
  [ Hits: 1241 | Votes: 0 | Rating: 0 ]

• ARDF transmitter for 80 meters
  
  The 80m TX described here is the well known ON7YD ATX 80 and timer combined ...
  [ Hits: 1101 | Votes: 1 | Rating: 9 ]

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