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• Isolation chokes for 160m verticals
  
  An article on how much impedance you really need and how small can be a ...
  [ Hits: 631 | Votes: 0 | Rating: 0 ]

• 40 Meter Bowtie Antenna - NC4FB
  
  A bowtie antenna is a type of antenna that reputedly provides higher gain at lower ...
  [ Hits: 1424 | Votes: 4 | Rating: 7 ]

• 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 ]

• 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: 1477 | Votes: 9 | Rating: 4.45 ]

• Poles for portable operations
  
  Reviews of two types of poles used on portable operation to support wire antenna and ...
  [ Hits: 619 | Votes: 0 | Rating: 0 ]

• The Basics of Patch Antennas - Orban Microwave
  
  This article explores the basic concepts of patch antennas Topics include principles of operation impedance ...
  [ Hits: 805 | Votes: 1 | Rating: 9 ]

• All About Antennas - W8JHD
  
  A free five part series on antennas that covers many aspects of antennas from radio ...
  [ Hits: 1183 | Votes: 3 | Rating: 7.5 ]

• Ham Radio in popular culture - kb9mwr
  
  Amateur radio in cartoon type TV shows, Simpsons, Southpark, Family Guy, SpongeBob
  [ Hits: 327 | Votes: 0 | Rating: 0 ]

• Portable antennas
  
  N5KGL interesting article on portable antennas Greg report his experience on using several types of ...
  [ Hits: 595 | Votes: 0 | Rating: 0 ]

• Icom IC R7100 Service Manual
  
  PDF File of the IC R7100 communication receiver service manual
  [ Hits: 760 | Votes: 4 | Rating: 4.75 ]

• 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 ]

• ADIF Prefix Calculator - W3KM
  
  This software loads WPX type ADIF files with the PFX xxx tag and calculates the ...
  [ Hits: 284 | Votes: 0 | Rating: 0 ]

• SoDiRa
  
  Windows Software Defined Radio SDR for analogue and digital modulation types Can decode AM and ...
  [ Hits: 1545 | Votes: 10 | Rating: 7.8 ]

• A lithium battery primer - The SWLing Post
  
  Primary Ion and Polymer a lithium battery primer learn the differences between and varied uses ...
  [ Hits: 343 | Votes: 0 | Rating: 0 ]

• An Adapter for Cell Phone Headsets
  
  This is a neat little adapter that allows the use of a cell phone type ...
  [ Hits: 532 | Votes: 0 | Rating: 0 ]
• Wireless Headset with PTT - VK3KBC
  
  The GN9120 is an excellent bluetooth type headset Here an article about GN9120 Wireless Headset ...
  [ Hits: 412 | Votes: 1 | Rating: 10 ]

• Arduino CQ Caller
  
  Arduino automatic CW Keyer for amateur radio
  [ Hits: 1467 | Votes: 2 | Rating: 4 ]

• 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 ]

• SDR Receiver using a Tube - HackADay
  
  The build was an experiment to see if a tube receiver could be stable enough ...
  [ Hits: 230 | Votes: 1 | Rating: 10 ]

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