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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 ]

• 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 ]

• Helical Antennas for 144 MHz - W6NBC
  
  This article is about two excellent small helical antennas for the two meters band With ...
  [ Hits: 233 | Votes: 1 | Rating: 7 ]

• A More Efficient Magnetic Loop Antenna - AA8C
  
  The idea behind this antenna was to use multiple conductors in parallel to reduce the ...
  [ Hits: 216 | Votes: 2 | Rating: 5.5 ]

• Enhancing Performance with W8JK/MOXON Antenna Variant - F5NPV
  
  F5NPV introduces a variant of the W8JK antenna design employing the MOXON principle With extended ...
  [ Hits: 185 | Votes: 0 | Rating: 0 ]

• Cloverleaf Antenna - Oscarliang
  
  Cloverleaf antenna is a circular polarized antenna which is way better than the cheap dipole ...
  [ Hits: 64 | 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 ]

• A Maritime Mobile DXpedition in Antarctica - K8SDK
  
  Seeing natural wonders up close and operating as rare DX made this trip the experience ...
  [ Hits: 57 | Votes: 0 | Rating: 0 ]

• Airplane scattering - W3SZ
  
  Operating on Airplane scattering Scattering of radio signals by airplanes An introduction to operating ariplane ...
  [ Hits: 165 | 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 ]

• Yaesu FT-817 Audio Enhancement: Heathkit-inspired Homebrew Project - KG4JJH
  
  Inspired by Heathkit author aimed to enhance his Yaesu FT 817 with audio and RF ...
  [ Hits: 81 | Votes: 1 | Rating: 2 ]

• Ham Imports - Your guide to Chinese ham radios - Rik
  
  The database of Chinese ham radios We are here to show you that you do ...
  [ Hits: 112 | Votes: 3 | Rating: 10 ]

• Aerial Printing Concepts - John Webb AK4AT
  
  Affordable full color QSL card printing Premium quality offset printing with gloss spot UV and ...
  [ Hits: 102 | Votes: 2 | Rating: 10 ]

• Arduino Iambic Keyer - AA5OY
  
  The author recounts their journey in ham radio including the initial experience with Morse code ...
  [ Hits: 79 | Votes: 0 | Rating: 0 ]

• Battery Charger for Hand Held Radio Battery Packs - VK4BY
  
  This is a handy little charger that can provide a charging current of up to ...
  [ Hits: 88 | Votes: 0 | Rating: 0 ]

• Resistor combination finder - IN3OTD
  
  If you need a non standard resistor value you could probably realize a close match ...
  [ Hits: 56 | Votes: 1 | Rating: 10 ]

• Understanding Impacts of 75-ohm Devices in 50-ohm Systems - KA7OEI
  
  This article explores the implications of using 75 ohm devices common in TV setups within ...
  [ Hits: 152 | Votes: 2 | Rating: 9.5 ]

• Enhancing Frontend Performance with Optimized Band Pass Filters - PA3AKE
  
  This article explores the nuanced design challenges of Band Pass Filters BPF in radio receivers ...
  [ Hits: 82 | Votes: 0 | Rating: 0 ]

• Simple 2-tone generator - DK7IH
  
  A simple 2 tone generator for testing the linearity of SSB transmitters This device is ...
  [ Hits: 111 | Votes: 0 | Rating: 0 ]

• 2m to 70cm Transverter Circuit - VK4ADC
  
  A 70cm 432 MHz Transverter Project transverter circuit is an electronic device that converts a ...
  [ Hits: 82 | Votes: 0 | Rating: 0 ]

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