the systems

the systems

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• J-POLE for 50MHz by IZ0UPS - IZ0UPS
  
  The J Pole antenna is a good omnidirectional antenna that can be used for portable ...
  [ Hits: 245 | Votes: 2 | Rating: 10 ]

• The Antenna Torque Calculator - Matteo Bavecchi
  
  This unique online tool helps Ham Radio operators to choose the right rotator for medium ...
  [ Hits: 184 | Votes: 1 | Rating: 1 ]

• Baluns and common mode chokes - Dorenberg
  
  Voltage baluns versus Current baluns When to use them differences and typical usage in feeding ...
  [ Hits: 402 | Votes: 1 | Rating: 10 ]

• Folded dipole antennas: terminated vs un-terminated - N4SPP
  
  As the name suggests it is simply a dipole with the tips folded towards each ...
  [ Hits: 496 | Votes: 9 | Rating: 6.78 ]
• Short Monoband Dipole Antennas - KGD Antennas - nonstopsystems
  
  The KGD antenna is an option for those with space restrictions The idea behing this ...
  [ Hits: 241 | Votes: 0 | Rating: 0 ]

• Multi-band End-Fed Antenna - F. Dorenberg
  
  An excellent guide to homebrewing multi band end fed antennas The article embed several drawings ...
  [ Hits: 1106 | Votes: 6 | Rating: 4.5 ]

• Notes on Designing LF-MF antennas - N6LF
  
  A free book on designign LF MF antennas The six chapters in the body of ...
  [ Hits: 267 | Votes: 2 | Rating: 9.5 ]

• Ground Systems as a Factor in Antenna Efficiency - Brown Lewis Epstein
  
  A classic document originally presented in Proceedings of the Institute of Radio Engineers in 1937 ...
  [ Hits: 399 | Votes: 1 | Rating: 1 ]

• The Easy Way Antenna Systems - WB5IIR
  
  This document is a must read for anyone considering building a good low cost HF ...
  [ Hits: 635 | Votes: 2 | Rating: 4.5 ]

• VFC LP Lightning Protection Products - Dwayne Hogan
  
  VFC has grown to become the national leader in the lightning protection industry Protecting facilities ...
  [ Hits: 91 | Votes: 0 | Rating: 0 ]

• Clark Masts - Clark Masts
  
  Based on the Isle of Wight UK Clark Masts are manufacturers and suppliers of a ...
  [ Hits: 105 | Votes: 0 | Rating: 0 ]

• Amateur Radio Digital Voice Systems - W9HPX
  
  A Comparison of most popular Amateur Radio Digital Voice Systems DMR D Star System Fusion ...
  [ Hits: 463 | Votes: 0 | Rating: 0 ]

• HF communication prediction tools - BOM
  
  Online HF Communication prediction system provided by the Australian Governament Buerau of Metereology allow to ...
  [ Hits: 169 | Votes: 0 | Rating: 0 ]

• Wuxi Venus Information Technology - Wuxi Venus
  
  Wuxi Venus Information Technology is an amateur radio devices dealer in China source for high ...
  [ Hits: 179 | Votes: 0 | Rating: 0 ]

• BridgeCom Systems Inc - BridgeCom
  
  Our mission is to provide our customers with a communication solution that fits a need ...
  [ Hits: 116 | Votes: 0 | Rating: 0 ]

• AN-SOF - Professional Antenna Simulation - ANS.SOF
  
  AN SOF is a professional comprehensive software tool for the modeling and simulation of antenna ...
  [ Hits: 243 | Votes: 2 | Rating: 10 ]

• Tucnak - OK1ZIA
  
  Tucnak is multiplatform VHF HF contest logbook It is executable on Linux and other unix ...
  [ Hits: 139 | Votes: 1 | Rating: 10 ]

• WsprDaemon - wsprdaemon
  
  WsprDaemon is a robust application for Linux systems that decodes Weak Signal Propagation Reporter WSPR ...
  [ Hits: 111 | Votes: 0 | Rating: 0 ]

• OpenRepeater for Raspberry Pi - OpenRepeater
  
  OpenRepeater is a low cost low power but feature rich duplex repeater controller suitable for ...
  [ Hits: 387 | Votes: 0 | Rating: 0 ]

• How to Ground an Antenna: aerial earthing - Electronic Notes
  
  The antenna ground or earth system can be key to its operation whilst also being ...
  [ Hits: 233 | Votes: 1 | Rating: 4 ]

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