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• Isolation chokes for 160m verticals
  
  An article on how much impedance you really need and how small can be a ...

• Narrow Diamond Loop for 40 Meters
  
  Antenna model for a diamond loop wire antenna for the 40 meter band
• Chevron Loop for 40 Meters
  
  Delta loop antennas for 40 meters plans and comparison of some models
  Votes: 1 | Rating: 3
• VK5ABN ALE Antenna
  
  The VK5ABN loop antenna consists of a horizontal loop tuned to the 80M band and ...
  Votes: 4 | Rating: 7.75

• Windom Antenna
  
  This article describes the characteristics of the Windom antenna and shows the results of several ...
  Votes: 5 | Rating: 2.4

• AntiqueTubeRadio.com Discover over 1200 antique radios
  
  Large collection of 1900 s antique Radios for sale Floor model Cathedral table top Novelty ...
  By Asa

• NCDXF/IARU beacons monitoring
  
  NCDXF Beacons monitoring in Europe in french
  By Carl

• 3905 Net
  
  3905 Century Club offer nets on 20 40 75 80 and 160 meters operating with ...
  Votes: 3 | Rating: 9

• Expert Electronics LLC
  
  Expert Electronics LLC is a manufacturer of modern and compact SDR transceivers EE develops and ...
  By Expert Electronics - Votes: 2 | Rating: 10

• The appropriate use of lingo
  
  The appropriate use of lingo in the voice modes
  Votes: 1 | Rating: 9

• Guide to JT65A
  
  The complete Bozo s guide to JT65A by K3UK learn how to install and operate ...

• About NBEMS
  
  Narrow Band Emergency Messaging Software NBEMS is an Open Source software suite that allows amateur ...
  By ARRL

• Noise Blanker for Drake R-4C
  
  This page describes how to make the inexpensive Ten Tec model 297 noise blanker work ...
  Votes: 2 | Rating: 4.5

• SSTV Encoder for Android
  
  This free app encode pictures in Slow Scan TV SSTV signals Support the most popular ...
  By Olga Miller - Votes: 2 | Rating: 5.5

• Digital Speech Decoder
  
  An open source software decode various xMBE based modes It support decoding QPSK C4FM modes ...
  Votes: 48 | Rating: 5.44

• hamOS
  
  hamOS is a live and installable Debian based linux respin for Amateur Radio Operators It ...
  By Richard Gordon - Votes: 13 | Rating: 7.69

• QScope.org
  
  QScope org is an advanced statistics online application with innovative features for HAM Radio operators ...
  Votes: 3 | Rating: 4

• QRadioPredict
  
  Radio propagation prediction and simulation tool for VHF UHF based on the Irregular Terrain Model ...
  By Adrian Musceac - Votes: 11 | Rating: 5.36

• EXChat
  
  This is a computer program for Amateur Radio transmission and reception using a computer and ...

• Arduino Beacon
  
  A multi mode QRP radio beacon built around the Arduino This radio propagation beacon transmitter ...
  Votes: 2 | Rating: 9.5

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