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• A broadband contest antenna for 80m - Stu Phillips
  
  The challenge with contest operation on 80m is finding an antenna that works well over ...
  [ Hits: 1293 | Votes: 8 | Rating: 6.88 ]

• Antenna Balun - laarrl
  
  What is an antenna balun why and when do you need it type of transformers ...
  [ Hits: 1328 | Votes: 1 | Rating: 8 ]

• Line Loss Calculator - CO8TW
  
  Types of coax cable with rf attenuator calculator line loss calculator form includes an antenna ...
  [ Hits: 879 | Votes: 3 | Rating: 6.67 ]

• How to make a HB9CV - G8TTI
  
  The HB9CV is a well known two element antenna of a directional beam type with ...
  [ Hits: 1478 | Votes: 9 | Rating: 4.45 ]

• Antennas for portable operations - hyendfedantenna
  
  Article describing various type of portable antennas from verticals to dipoles vertical dipoles random wire ...
  [ Hits: 500 | Votes: 0 | Rating: 0 ]

• Corrosion in a marine installation - Moonraker
  
  We all understand the importance of corrosion protection especially in harsh marine environments This article ...
  [ Hits: 399 | Votes: 3 | Rating: 3.67 ]

• All About Antennas - W8JHD
  
  A free five part series on antennas that covers many aspects of antennas from radio ...
  [ Hits: 1185 | Votes: 3 | Rating: 7.5 ]

• FCC Universal Licensing System - FCC
  
  The FCC ULS Amateur License Search allow to search for licences based on several criterias ...
  [ Hits: 354 | Votes: 0 | Rating: 0 ]

• What is Radio Propagation - RF propagation - Ian Poole
  
  Discover the key facts about what radio propagation is the different types available and how ...
  [ Hits: 199 | Votes: 1 | Rating: 10 ]

• Numbers stations OWVL - crypto museum
  
  A numbers station also known as a one way voice link OWVL is a special ...
  [ Hits: 281 | Votes: 1 | Rating: 6 ]

• qrpTracker - qrpTracker
  
  qrpTracker is a satellite tracking program that works on the popular and easy to program ...
  [ Hits: 615 | Votes: 1 | Rating: 7 ]
• Arduino based antenna rotator controller - OK1DX
  
  Inspired by Milan OK7GU the goal is to build an universal antenna controller for different ...
  [ Hits: 1200 | Votes: 3 | Rating: 6 ]

• ARDUINO CW decoder - OZ6YM
  
  Yet another Arduino CW Decoder based on the OZ1JHM prototype this include a custom program ...
  [ Hits: 870 | Votes: 1 | Rating: 6 ]

• Audio Cables - wadarc
  
  Article with answers to common questions as what cable types to user cable length how ...
  [ Hits: 269 | Votes: 0 | Rating: 0 ]

• Replacing the battery of the Yaesu DVS-2 memory recorder - PA1HR
  
  After a few years the lithium battery cell from the Yaesu DVS 2 will be ...
  [ Hits: 314 | Votes: 1 | Rating: 8 ]

• PL-259 vs Type N Connector on 430 MHz - IZ2UUF
  
  A test and comparison of real attenuation of N type connectors and PL 259 connectors ...
  [ Hits: 710 | Votes: 2 | Rating: 7 ]
• N Type connectors over SO-239 at VHF/UHF - eham
  
  How much better is an N over SO 239 at VHF UHF a discussion topic ...
  [ Hits: 470 | Votes: 1 | Rating: 5 ]

• RF filter basics tutorial - radio-electronics.com
  
  an overview introduction or tutorial about the basics of electronics filters including the types of ...
  [ Hits: 313 | Votes: 0 | Rating: 0 ]

• GaAs FER Pre Amp Cookbook - WA5VJB
  
  There are many designs for building preamps each with their own advantages and disvantages In ...
  [ Hits: 700 | Votes: 0 | Rating: 0 ]

• Locating Power Line Noise - Stu Phillips
  
  RF interference from power lines is caused by arcing as high voltage electricity bridges a ...
  [ Hits: 427 | Votes: 0 | Rating: 0 ]

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