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• A Simple High-Performance Vertical Antenna
  
  This article describes the details of the design which can be easily scaled for just ...
  By KK5JY - Votes: 3 | Rating: 9.67
• The Vertical Buddi Beam for 20m
  
  The Vertical Buddi Beam on 20m using no Coils n this article I am going ...
  By KE4UYP - Votes: 2 | Rating: 4.5

• An 80 m dipole antenna for restricted spaces
  
  You can bend the wires in a half wave dipole so that it takes up ...
  By LA8OKA

• Corned Fed Delta Loop
  
  Author found a ratio between the lengths of the sides of the Delta Loop that ...
  By LA8OKA

• Helical Antennas for 144 MHz  ^updated
  
  This article is about two excellent small helical antennas for the two meters band With ...
  By W6NBC - Votes: 2 | Rating: 5

• Introduction to HFTA HF Terrain Assessment
  
  A complete guide to plan antenna installation by using several tools and resources including the ...
  By N1FD - Votes: 1 | Rating: 7

• Magnetic Loop Antennas for 40-80-160m
  
  This magnetic loop DIY site is ment to be an introduction into making DX high ...
  By G0ZEN - Votes: 2 | Rating: 8.5

• W3DZZ Multiband Antenna
  
  An easy to build and extremely high performance antenna works perfectly on all HF bands ...
  By I6IBE - Votes: 3 | Rating: 7.67

• Loudoun Amateur Radio Group
  
  The Loudoun Amateur Radio Group LARG of Loudoun County Northern Virginia was founded in July ...
  By k4lrg

• Pro Audio Engineering
  
  High quality products for broadcast and amateur radio Kx33 Low RFI AC Power Supply for ...
  By ProAudio Eng

• VA6AM Contesting Accessories
  
  Custom built high and low power power band pass Filters low band triplexers triplexers and ...
  By VA6AM

• (tr)uSDX
  
  The tr uSDX is a 5 Band Mulitmode QRP Transceiver in Pocket Format 90x60x30mm 140g ...
  By DL2MAN - Votes: 2 | Rating: 10

• K6TU Propagation as a Service
  
  Get the most out of your station with K6TU NET professional grade propagation prediction and ...
  By K6TU

• VARA
  
  VARA HF is a soundcard modem that can be found on the HF bands exchanging ...
  By EA5HVK - Votes: 1 | Rating: 10

• Bandpass Filter Calculator
  
  Passive Bandpass Filter online calculator and filter formulas Active Inverting Op Amp Bandpass Filters Active ...
  By learningaboutelectronics - Votes: 3 | Rating: 5.33

• ICOM IC-775 FIlter Installation
  
  Inrad Roofing Filter installation instruction The IC 775 Roofing Filter Mod consists of a 6 ...
  By PA0Q

• 40 Segment LED S-Meter
  
  Provide your radio with a very string signal then adjust the HIGH LEVEL pot to ...
  By n6bg
• Repurposing LEDs from commercial strips
  
  How to reuse high intensity surface mount LEDs as on board indicators in your homebrew ...
  By VK3HN

• AnyRig A Flexible Digital Mode Interface
  
  This project uses an inexpensive Teensy microcontroller as the core of a flexible interface that ...
  By KK5JY

• A Simple Spectrum Analyzer
  
  This is a swept filter spectrum analyzer Basically RF and swept oscillator signals are fed ...
  By AA8C

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