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• 20 meter short loaded vertical antennas - N4SPP
  
  Loading is a way to lower the resonant frequency of an antenna radiator This technique ...
  [ Hits: 232 | Votes: 1 | Rating: 9 ]

• A Homebrew Yagi for 1296 MHz DX - DJ9YW
  
  The author who works successfully via EME on this band wants to describe his own ...
  [ Hits: 504 | Votes: 1 | Rating: 5 ]

• How to Blow Up Your Balun - N6BV
  
  In this article author examine stresses placed on common mode chokes aka baluns as hams ...
  [ Hits: 390 | Votes: 0 | Rating: 0 ]

• Small HF Antennas - SM0VPO
  
  Experiments on HF antennas for restricted spaces In this article author experiments antennas for 80 ...
  [ Hits: 1023 | Votes: 19 | Rating: 7.31 ]

• Speaker Wire EFHW Antennas 20m/ 40m - wb3gck
  
  Author experiments end fed half wave antennas using common two conductore speaker wire this article ...
  [ Hits: 262 | Votes: 1 | Rating: 9 ]

• Ferrite Rod TX Antenna for 40m - G3XBM
  
  No exotic claims are made for this antenna Author just tried a few WSPR experiments ...
  [ Hits: 300 | Votes: 1 | Rating: 1 ]

• Portable HF Antenna Options - VK4ADC
  
  Article on portable HF antenna where author diverge about antenna efficiency versus size based on ...
  [ Hits: 174 | Votes: 2 | Rating: 4 ]

• A Simple 2 Element Quad Antenna for 10 meters - W4RNL
  
  Quads beams consist of 2 1 wavelength approximately loops ordinarily arranged so that one is ...
  [ Hits: 274 | Votes: 1 | Rating: 7 ]

• 7 Element QUAGI for Satelitte Operations - IT9VKY
  
  In order to increase the gain for satellite opeations working on 144 MHz bands the ...
  [ Hits: 146 | Votes: 0 | Rating: 0 ]

• A QRP Transmatch ATU - DL1GSJ
  
  A home made Antenna Tuner made with a simple inductor and a few spare parts ...
  [ Hits: 205 | Votes: 0 | Rating: 0 ]

• EME user guide by IK1UWL - IK1UWL
  
  A complete guide to start operating EME In this document that is the result of ...
  [ Hits: 341 | Votes: 1 | Rating: 7 ]

• CW morse code course by I4CQO - I4CQO
  
  In his page the author includes 27 mp3 audio files that compose the whole CW ...
  [ Hits: 384 | Votes: 1 | Rating: 10 ]

• What to Expect at Solar Minimum - K9LA
  
  Article on operating aids and band usage during solar minimun periods Author tries to explain ...
  [ Hits: 230 | Votes: 1 | Rating: 1 ]

• Chinese uSDX Review - Thomas Witherspoon
  
  A review of the Chinese version of uSDX USDR HF QRP Transceiver Author made an ...
  [ Hits: 279 | Votes: 1 | Rating: 10 ]

• Juma Keyer1 - OH2NLT
  
  Miniature PIC microcontroller based keyer kit with convenient modes The kit includes PCB componets knob ...
  [ Hits: 101 | Votes: 0 | Rating: 0 ]

• Speech Processor - SM0VPO
  
  How to improve performance of your audio using a home made speech processor In this ...
  [ Hits: 249 | Votes: 2 | Rating: 10 ]

• EA2CW Nanokeyer - EA2CW
  
  HFN Hands Free Nanokeyer is a 3D Printer made morse keyer In this project the ...
  [ Hits: 97 | Votes: 1 | Rating: 10 ]

• QRP Transceiver for 15m - JF1OZL
  
  This is a CW 1W transceiver with only three transistor The author has been able ...
  [ Hits: 85 | Votes: 0 | Rating: 0 ]

• Common-mode chokes Measurements - IN3OTD
  
  Common mode chokes are useful solutions for RFI reduction Winding a few turns of coaxial ...
  [ Hits: 156 | Votes: 1 | Rating: 8 ]

• Hermes-Lite SDR Project - IN3OTD
  
  The author has build the Hermes Lite SDR v1 and v2 versions describing with a ...
  [ Hits: 159 | Votes: 2 | Rating: 8 ]

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