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

• High Performance Common-Mode Chokes
  
  This article is an attempt to shed some light on this misunderstood component covering topics ...
  By G3TXQ

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

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

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

• Airplane scattering
  
  Operating on Airplane scattering Scattering of radio signals by airplanes An introduction to operating ariplane ...
  By W3SZ

• FT8 - The Basics Explained
  
  A brief introduction to the FT8 operating mode and tips on how to start using ...
  By EssexHam

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

• Robust PACKET at SigIDWiki
  
  Definition of the Robust Packet digital mode with sample sounds and description of main features ...
  By sigidwiki

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

• HF-Start WebTool
  
  HF START can estimate HF propagation between any given 2 points over Japan in real ...
  By NICT

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

• Speech synthesiser for FT-817
  
  This construction project is for anyone wanting to give this popular little radio a voice ...
  By sarcnet

• SWLog
  
  Shortwave and Amateur Radio Log SWLog is a modern suite of applications that provide logging ...
  By SWLog.us

• K6TU Propagation as a Service
  
  Get the most out of your station with K6TU NET professional grade propagation prediction and ...
  By K6TU

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

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

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

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

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