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• SAFARI 40-30m vertical Antenna - G3RWF
  
  Roach pole vertical antenna for 40 and 30 meters band featuring good performance on short ...
  [ Hits: 315 | Votes: 0 | Rating: 0 ]

• 70Mhz (4 metre) Delta Loop Antenna - EI4DIB
  
  Discover the success story of creating a 4 meter Delta Loop antenna ideal for improving ...
  [ Hits: 53 | Votes: 1 | Rating: 4 ]

• Measuring HF Balun Performance - W6WO
  
  If you thought you knew everything about balun performance characteristics there is an important figure ...
  [ Hits: 261 | Votes: 0 | Rating: 0 ]

• 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 ]
• RF Choke with Bifilar Windings - rjbono
  
  This article presents an RF Choke featuring an 11 bifilar turn winding of 14 house ...
  [ Hits: 87 | Votes: 0 | Rating: 0 ]

• Helical Antennas for 144 MHz - W6NBC
  
  This article is about two excellent small helical antennas for the two meters band With ...
  [ Hits: 231 | Votes: 1 | Rating: 7 ]

• Choosing the Right Aluminum Stock for Antenna Building - G0UIH
  
  Building an efficient antenna begins with selecting the right aluminum stock This article provides a ...
  [ Hits: 76 | Votes: 0 | Rating: 0 ]

• The Infamous Attic Dipole - AF4PS
  
  An attic wire antenna with several modifications during the time Began as a simple coax ...
  [ Hits: 103 | Votes: 0 | Rating: 0 ]

• Variations on a Dipole - AF7NX
  
  Antenna patterns are all about interference Presentation on wire antennas for HF bands Dipoles horizontal ...
  [ Hits: 98 | Votes: 0 | Rating: 0 ]
• Yagi Antenna Design by G4CQM - G4CQM
  
  A selection of technical articles and analysis offering guidance and insight to enable you to ...
  [ Hits: 118 | Votes: 1 | Rating: 10 ]

• Modified Ground Plane Antenna Adds Second Band - Dick Reid, KK4OBI
  
  This article explains the trick of how to shorten and lengthen pairs of radials to ...
  [ Hits: 53 | Votes: 0 | Rating: 0 ]

• Unearthing VHF Contest Secrets: An In-Depth Analysis - S51FB S51ML S52AA S53WW
  
  In this article authors delve into the inner workings of the IARU R1 VHF contest ...
  [ Hits: 72 | Votes: 2 | Rating: 10 ]

• A Maritime Mobile DXpedition in Antarctica - K8SDK
  
  Seeing natural wonders up close and operating as rare DX made this trip the experience ...
  [ Hits: 56 | Votes: 0 | Rating: 0 ]

• ADIF Processor Map QSOs with Google Earth - M0NOM
  
  The ADIF Processor is an online application that visualizes amateur radio contacts from an ADIF ...
  [ Hits: 407 | Votes: 3 | Rating: 7 ]

• Virtual Radar from a Digital TV Dongle - W9RAN
  
  Track aircraft by reprogramming an inexpensive digital TV USB stick to receive Automatic Dependent Surveillance ...
  [ Hits: 136 | Votes: 1 | Rating: 2 ]

• AllScan - David NR9V
  
  AllScan is a free and open source web app for AllStar nodes that provides Favorites ...
  [ Hits: 20 | Votes: 1 | Rating: 8 ]

• Skywave Linux - Philip Collier AB9IL
  
  Linux for shortwave and amateur radio monitoring Supports popular SDR hardware and online streaming from ...
  [ Hits: 293 | Votes: 0 | Rating: 0 ]

• Analyzing SSB Signal Quality in CQ WW Contest - OH6LI
  
  This article investigates SSB signal quality during the CQ WW 2015 SSB contest It highlights ...
  [ Hits: 42 | Votes: 0 | Rating: 0 ]

• A Universal Programming Cable for Radios - Yevgueny Andropov
  
  The programming cable is intended to be used with a computer RS 232 port for ...
  [ Hits: 90 | Votes: 0 | Rating: 0 ]

• Solar Panel and Ham Radio - K1KP
  
  If you are having problems with RFI from Solar Panels this document from QST provides ...
  [ Hits: 88 | Votes: 0 | Rating: 0 ]

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