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• TEFV Terminated End Fed Vee Antenna - VU3DXR
  
  The Terminated End Fed Vee Antenna TEFV is a travelling wave antenna with constant current ...
  [ Hits: 190 | Votes: 2 | Rating: 6.5 ]

• 40m QRO End Fed Half Wave Antenna Coupler - AA5TB
  
  A medium power End Fed Half Wave Antenna coupler specifically tuned to the QRP frequency ...
  [ Hits: 105 | Votes: 0 | Rating: 0 ]

• RF Choke with Bifilar Windings - rjbono
  
  This article presents an RF Choke featuring an 11 bifilar turn winding of 14 house ...
  [ Hits: 87 | Votes: 0 | Rating: 0 ]

• Wire on the Ground: Portable Radio Success with Grasswire Antenna - VA3KOT
  
  The author shares a unique experiment with a 200ft Grasswire antenna laying wire directly on ...
  [ Hits: 103 | Votes: 0 | Rating: 0 ]

• Ribbit digital text messaging mode for HF/VHF/UHF - RibbitRadio
  
  Ribbit is a novel digital text messaging mode for VHF UHF communications for recreational and ...
  [ Hits: 134 | Votes: 1 | Rating: 10 ]

• 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 ]

• Michigan Mighty Mite – QRP CW Transmitter - DX Explorer
  
  Michigan Mighty Mite is a QRPP CW transmitter that is easy to built with a ...
  [ Hits: 142 | Votes: 0 | Rating: 0 ]

• IC705 GoBox: A Portable Windows-Based Solution for All-Digital Modes - dl1gkk
  
  This project details the creation of a portable GoBox housing an IC705 Windows 11 PC ...
  [ Hits: 97 | Votes: 0 | Rating: 0 ]

• FT-817 Robust Power Connection - WB3GCK
  
  Attach a small right angle lug to the ground screw located in the rear of ...
  [ Hits: 80 | Votes: 0 | Rating: 0 ]
• FT-817 Audio Speech Compressor: Boosting Signal Power with SSM2165 - AD5X
  
  Designed for the FT 817 this audio speech compressor centered on the Analog Devices SSM2165 ...
  [ Hits: 60 | Votes: 0 | Rating: 0 ]

• AI-Powered Radio Signal Cleanup: Battling QRM in Real Time - PA9X
  
  Amateur radio enthusiast Jean Paul Suijs discusses combating manmade noise QRM in radio signals using ...
  [ Hits: 73 | Votes: 0 | Rating: 0 ]
• AI Projections for Ham Radio Modes in 2023-2025 - G7VJR
  
  In an innovative analysis Michael G7VJR employs NeuralProphet to predict ham radio modes usage trends ...
  [ Hits: 55 | 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 ]

• 50 MHz 300W Power Amplifier - VK3NX
  
  This project addresses the need for a 50 MHz Amplifier providing substantial power for Australian ...
  [ Hits: 71 | Votes: 0 | Rating: 0 ]

• Smart SO2R Antenna Switcher: A DIY Solution - KK7S
  
  In pursuit of enhanced station efficiency the author describes crafting an Arduino based smart antenna ...
  [ Hits: 157 | 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 ]

• DIY 1KW Dummy Load - F5NPV
  
  F5NPV explores the construction of a cost effective 1KW dummy load for radio enthusiasts Purchasing ...
  [ Hits: 123 | Votes: 0 | Rating: 0 ]

• PCM Kestrel HF Transceiver - vk3yy
  
  This article describes an upgrade to the Kestrel transceiver replacing its LCD display with a ...
  [ Hits: 68 | 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 ]

• 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 ]

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