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• End Fed Antenna for WARC Bands - PA3DWC
  
  I used a FT 240 43 for much more power not needed but beter safe ...
  [ Hits: 189 | Votes: 1 | Rating: 3 ]

• High Performance Common-Mode Chokes - G3TXQ
  
  This article is an attempt to shed some light on this misunderstood component covering topics ...
  [ Hits: 132 | Votes: 0 | Rating: 0 ]

• K0UO Rhombix Antenna Farm The Ground - K0UO
  
  Modeling an antenna over real terrain gives you a visual picture of how terrain impacts ...
  [ Hits: 145 | Votes: 1 | Rating: 10 ]

• Digirig Mobile - Digirig
  
  Digirig is an open source integrated digital modes interface for amateur radio As a differentiating ...
  [ Hits: 150 | Votes: 1 | Rating: 2 ]

• Satellite Frequency List - JE9PEL
  
  All Satellites Frequency List Update A complete list of satellite frequencies available in several formats ...
  [ Hits: 141 | Votes: 1 | Rating: 1 ]

• Airplane scattering - W3SZ
  
  Operating on Airplane scattering Scattering of radio signals by airplanes An introduction to operating ariplane ...
  [ Hits: 165 | Votes: 0 | Rating: 0 ]

• FT8 - The Basics Explained - EssexHam
  
  A brief introduction to the FT8 operating mode and tips on how to start using ...
  [ Hits: 94 | Votes: 0 | Rating: 0 ]

• QRP - Low Power Operating ARRL - ARRL
  
  QRP is a way of operating that involves using low power transmitters that are no ...
  [ Hits: 73 | Votes: 1 | Rating: 8 ]

• Robust PACKET at SigIDWiki - sigidwiki
  
  Definition of the Robust Packet digital mode with sample sounds and description of main features ...
  [ Hits: 80 | Votes: 0 | Rating: 0 ]

• HF Radio Propagation Forecast - 4X4XM  ^updated
  
  This page offers radio amateurs experienced and beginners a useful overview and tutorials on HF ...
  [ Hits: 363 | Votes: 20 | Rating: 8.85 ]

• HF-Start WebTool - NICT
  
  HF START can estimate HF propagation between any given 2 points over Japan in real ...
  [ Hits: 111 | Votes: 0 | Rating: 0 ]

• Using PSK Reporter as Propagation Tool - K8ZT
  
  PSK Reporter is a powerful tool for monitoring your FT8 JT65 or PSK signals around ...
  [ Hits: 195 | Votes: 1 | Rating: 8 ]

• Speech synthesiser for FT-817 - sarcnet
  
  This construction project is for anyone wanting to give this popular little radio a voice ...
  [ Hits: 125 | Votes: 0 | Rating: 0 ]

• SWLog - SWLog.us
  
  Shortwave and Amateur Radio Log SWLog is a modern suite of applications that provide logging ...
  [ Hits: 111 | Votes: 0 | Rating: 0 ]

• K6TU Propagation as a Service - K6TU
  
  Get the most out of your station with K6TU NET professional grade propagation prediction and ...
  [ Hits: 191 | Votes: 0 | Rating: 0 ]

• VARAc - 4Z1AC
  
  VarAC is a FREE modern HF P2P real time chatting application for the amateur radio ...
  [ Hits: 104 | Votes: 1 | Rating: 10 ]

• VARA - EA5HVK
  
  VARA HF is a soundcard modem that can be found on the HF bands exchanging ...
  [ Hits: 105 | Votes: 1 | Rating: 10 ]

• USB Rig Interface - sarcnet
  
  This project is a USB Audio Serial and PTT interface for rigs that does not ...
  [ Hits: 324 | Votes: 1 | Rating: 1 ]
• Digital Mode Interface - IW7EHC
  
  The use of an isolation interface between the radio and the pc is higly recommended ...
  [ Hits: 179 | Votes: 0 | Rating: 0 ]

• Measuring with a MiniVNA - N4SPP
  
  Measuring technicques using a MiniVNA author describes how to determine and unknown inductance or how ...
  [ Hits: 186 | Votes: 1 | Rating: 1 ]

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