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• A More Efficient Magnetic Loop Antenna - AA8C
  
  The idea behind this antenna was to use multiple conductors in parallel to reduce the ...
  [ Hits: 215 | Votes: 2 | Rating: 5.5 ]
• Magnetic Loop 600 KHz-4MHz - AA8C
  
  The antenna is built on a cross shaped frame with spar width and height of ...
  [ Hits: 173 | Votes: 3 | Rating: 4.33 ]

• CB0ZA Robinson Crusoe Isl DX Pedition - CB0ZA
  
  Robinson Crusoe Island DXpedition February 10-24, 2024 Grid Square FF06 – IOTA SA-005
  [ Hits: 44 | Votes: 1 | Rating: 8 ]

• Interactive Grid Square Map - ha8tks
  
  An online interactive grid square map made with openstreet map Just point and click and ...
  [ Hits: 570 | Votes: 6 | Rating: 6.67 ]

• Repeater-START App - Luke
  
  The amateur radio listener for when you re not on the radio Repeater START the ...
  [ Hits: 151 | Votes: 0 | Rating: 0 ]

• Conventional or Inverter Generators - Chris Warren
  
  Generators are broken down into three basic types conventional gas inverter and diesel What is ...
  [ Hits: 53 | Votes: 0 | Rating: 0 ]

• Building a Robust PL519 Tube HF Amplifier - DL1DWG
  
  his article explores the construction of a PL519 tube amplifier utilizing Ulrich L Rohde N1UL ...
  [ Hits: 71 | Votes: 0 | Rating: 0 ]

• A switched Capacitor Audio Filter - AA8C
  
  Here is a rather nice audio filter for use with Ham Radio gear It features ...
  [ Hits: 73 | Votes: 0 | Rating: 0 ]

• USB-C charging for Handheld Radio Transceivers - Bryan Cockfield
  
  The article highlights the common absence of modern USB C ports on handheld ham radios ...
  [ Hits: 143 | Votes: 1 | Rating: 10 ]

• A JFET preamplifer for 50 MHz - AA8C
  
  The circuit is simple designed with a low component count and an inherent simplicity in ...
  [ Hits: 98 | Votes: 0 | Rating: 0 ]

• Stop RFI from Solar PV Systems - WB8ERJ
  
  Stop EMI RFI Interference in Off Grid Solar PV Systems in this article the author ...
  [ Hits: 82 | Votes: 0 | Rating: 0 ]
• RF-Quiet Solar PV for Ham Radio - KA7OEI
  
  This article discusses the potential for solar power systems to coexist harmoniously with amateur radio ...
  [ Hits: 78 | Votes: 1 | Rating: 1 ]

• A Simple Hybrid Software Defined Radio - AA8C
  
  This Hybrid SDR is a combination of a current technology analog radio techniques used with ...
  [ Hits: 115 | Votes: 0 | Rating: 0 ]

• A Simple Spectrum Analyzer - AA8C
  
  This is a swept filter spectrum analyzer Basically RF and swept oscillator signals are fed ...
  [ Hits: 121 | Votes: 0 | Rating: 0 ]

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