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• A very efficient half size 40 meter Vertical Antenna - Ray Ring
  
  A vertical antenna project for the 7MHz made with some spare parts Based on a ...
  [ Hits: 736 | Votes: 4 | Rating: 8.5 ]

• 6 Elements Yagi Antenna on 50 MHz - VK4ADC
  
  This is a design based on the QuickYagi 4 software by WA7RAI with some changes ...
  [ Hits: 134 | Votes: 2 | Rating: 6 ]

• Understanding Antenna Polarization - Peter McNeil
  
  What is antenna polarization and why does it matter Horizontal versus Vertical versus Circular polarization ...
  [ Hits: 170 | Votes: 1 | Rating: 2 ]

• Ham Radio in Emergency Operations - Aberle
  
  Understanding amateur radio communications resource knowing when and how to use Ham Radio integrating Ham ...
  [ Hits: 148 | Votes: 1 | Rating: 10 ]

• The NorthEast Wisconsin DX Association - NEWDXA
  
  The NorthEast Wisconsin DX Association NEWDXA was established in December 1993 by twenty one amateurs ...
  [ Hits: 94 | Votes: 0 | Rating: 0 ]

• HackRF - HackRF
  
  open source hardware for software defined radio HackRF One is an open source hardware platform ...
  [ Hits: 177 | Votes: 3 | Rating: 7.67 ]

• Interactive Ham Radio Locator Map - K7FRY
  
  This grid locator map uses Google map apis to find your QTH locator by simply ...
  [ Hits: 1416 | Votes: 7 | Rating: 7.28 ]
• Interactive Maidenhead Grid Square Locator Map - Karhu Koti  ^updated
  
  Amateur Radio Ham Radio Maidenhead Grid Square Locator Map online This map allow just a ...
  [ Hits: 2693 | Votes: 8 | Rating: 7.12 ]

• Why WWV and WWVH Still Matter - radioworld
  
  Fans of NIST signals cite benefits including understanding the near-Earth environment
  [ Hits: 166 | Votes: 3 | Rating: 10 ]
• 1200z Time Explained - unitarium
  
  Military time notation is based on 24 hour clock A time of day is written ...
  [ Hits: 136 | Votes: 1 | Rating: 4 ]

• Seiuchy On-line morse code trainer - hb9fxw
  
  Seiuchy is a web based morse code trainer that can be used even offline once ...
  [ Hits: 246 | Votes: 2 | Rating: 9.5 ]

• What is System Fusion - WSSM
  
  System Fusion is a digital communications mode for voice and data including pictures It utilizes ...
  [ Hits: 109 | Votes: 0 | Rating: 0 ]

• LAN-IQ SDR - afedri
  
  Stand Alone Software Defined Radio direct sampling receiver from 30 kHz to 1700 00MHz continuous ...
  [ Hits: 258 | Votes: 1 | Rating: 8 ]

• Grid Calculator - UU0JC
  
  Grid Calculator allows you to calculate either a grid square locator or the latitude and ...
  [ Hits: 311 | Votes: 0 | Rating: 0 ]
• GridLocW Locator converter - VK4ADC
  
  GridLocW is a free Lat Long to Maidenhead converter for Windows with optional GPS support ...
  [ Hits: 212 | Votes: 0 | Rating: 0 ]

• Distance Plotter - LA8AJA
  
  You can upload your adif file It then checks the qso for specified band and ...
  [ Hits: 241 | Votes: 0 | Rating: 0 ]

• HamGPS - EA4EOZ
  
  Display your current Maidenhead locator with 10 digit precision It also computes bearing and distance ...
  [ Hits: 383 | Votes: 1 | Rating: 7 ]

• NanoVNA GitHub Repository - edy555
  
  Very Tiny Palmtop Vector Network Analyzer by edy555 This is the original GitHub firmware repository ...
  [ Hits: 151 | Votes: 0 | Rating: 0 ]

• SWR and Amateur Radio Antenna Tuners - wa2ooo
  
  Undestanding and measuring SWR Standing Wave Ratio in antenna feed lines This article also introduce ...
  [ Hits: 219 | Votes: 2 | Rating: 9.5 ]

• Apple MacBook interface for digital modes - VK3ERW
  
  How to make a custom Line In connector for apple macbook or iMac to connect ...
  [ Hits: 135 | Votes: 0 | Rating: 0 ]

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