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• An 80 m dipole antenna for restricted spaces - LA8OKA
  
  You can bend the wires in a half wave dipole so that it takes up ...
  [ Hits: 186 | Votes: 0 | Rating: 0 ]

• 1:49 unun for end fed half wave antennas - vu3dxr
  
  1 49 UNUN using two stacked FT240 43 cores for end fed halfwave antenna To ...
  [ Hits: 399 | Votes: 10 | Rating: 8.1 ]

• ARRL - About Feed Lines - ARRL
  
  The feed line also called the transmission line is the RF power conduit between your ...
  [ Hits: 88 | Votes: 2 | Rating: 6.5 ]

• Space-Efficient Excellence: Inverted L Multi-Band HF Antenna - qsoshack
  
  Discovering a solution for limited space the inverted L HF antenna emerges as a stellar ...
  [ Hits: 189 | Votes: 0 | Rating: 0 ]

• EggBeater Antenna for VHF UHF - ON6WG F5VIF
  
  This antenna was conceived mainly for high speed digital transmission via satellite The antenna is ...
  [ Hits: 234 | Votes: 0 | Rating: 0 ]

• Understanding Antenna Gain in a Few Minutes - VE2XIP
  
  A collection of videos on antenna gain and explanations of how some antenna designs may ...
  [ Hits: 84 | Votes: 0 | Rating: 0 ]

• The Smith Chart - Bevelacqua
  
  This tutorial introduces and explains Smith Charts and then gives an introduction to impedance matching ...
  [ Hits: 116 | Votes: 2 | Rating: 9.5 ]

• DIY Yagi Antenna - DiMaria
  
  This article describes the phases for the construction of a Yagi antenna The calculations of ...
  [ Hits: 109 | Votes: 4 | Rating: 3.5 ]

• GEARS - GEARS
  
  Our primary mission is to provide backup and secondary communications to our served agencies when ...
  [ Hits: 39 | Votes: 1 | Rating: 5 ]

• ITU International Morse Code Recommendation - ITU
  
  Recommendation M 1677 1 10 2009 General transmission rules Morse code signals spacing and length ...
  [ Hits: 101 | Votes: 0 | Rating: 0 ]

• N6QAB Hidden Transmitter Controllers - N6QAB
  
  When it is time for you to hide a Hidden Transmitter there are several ways ...
  [ Hits: 61 | Votes: 0 | Rating: 0 ]

• The CubeSat Database - The CubeSat Database
  
  A website that provides information about CubeSats including the CubeSats mission frequencies and status ...
  [ Hits: 18 | Votes: 0 | Rating: 0 ]

• 40 MHz 8m Band Amateur Radio Exploration - G3XBM
  
  The 8m ISM band a unique frequency range between 10m and 6m holds potential for ...
  [ Hits: 76 | Votes: 1 | Rating: 8 ]

• Radio Wave Transmission Paths - VIAS
  
  Radio transmission is affected by the presence of the earth Also the upper atmosphere of ...
  [ Hits: 110 | Votes: 1 | Rating: 9 ]

• Icom 706MK2G Repair - G0UIH
  
  After years of reliable performance a 26 year old Icom 706MK2G exhibited an unusual deviation ...
  [ Hits: 19 | Votes: 0 | Rating: 0 ]

• SNASharp - F4HTQ
  
  SNASharp is a free software application designed to work with scalar network analyzers compatible with ...
  [ Hits: 69 | Votes: 0 | Rating: 0 ]

• Automatic Roger Beep for VHF/UHF Contests - M1GEO  ^new
  
  This project details an automatic roger beep circuit for VHF UHF contests Built around a ...
  [ Hits: 33 | Votes: 0 | Rating: 0 ]

• LoRA Gateway IdeeTron Lorank8 - PH2LB
  
  Testing IdeeTron Lorank8 for LoRaWAN with ham radio transmissions Assessing compatibility interference and planning permanent ...
  [ Hits: 19 | Votes: 0 | Rating: 0 ]
• LoRa in Amateur Radio - USKA
  
  About LoRa wireless communication technology designed to transmit data over long distances LoRa provides a ...
  [ Hits: 102 | Votes: 0 | Rating: 0 ]

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