rt systems

rt systems

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• 20 meter short loaded vertical antennas - N4SPP
  
  Loading is a way to lower the resonant frequency of an antenna radiator This technique ...
  [ Hits: 232 | Votes: 1 | Rating: 9 ]

• 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: 185 | Votes: 1 | Rating: 1 ]

• How to Blow Up Your Balun - N6BV
  
  In this article author examine stresses placed on common mode chokes aka baluns as hams ...
  [ Hits: 390 | Votes: 0 | Rating: 0 ]

• 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: 1108 | Votes: 6 | Rating: 4.5 ]

• ARRL - About Feed Lines - ARRL
  
  The feed line also called the transmission line is the RF power conduit between your ...
  [ Hits: 88 | Votes: 2 | Rating: 6.5 ]

• High Performance common-mode chokes - G3TXQ
  
  May 2015 Radcom Article on common mode chokes that can be used for control cables ...
  [ Hits: 691 | Votes: 1 | Rating: 10 ]

• 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 ]

• Adjusting HF Yagi Gamma Matches - VE3VN
  
  There are many feed systems used in yagis over the years Gamma matches are not ...
  [ Hits: 132 | Votes: 1 | Rating: 10 ]

• MSL - Mechanical Systems Lehmann - Telescopic Masts and Towers
  
  Specialist for vertically adjustable supporting frameworks including telescopic masts and telescopic towers for ham radio ...
  [ Hits: 202 | Votes: 0 | Rating: 0 ]

• Automatic Position Reporting System for HF - sarcnet
  
  A basic introductionto APRS on HF Bands for radioamateurs and how to setup an APRS ...
  [ Hits: 152 | 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 ]

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

• DMR Contact Manager - N0GSG
  
  DMR Contact Manager is a Free software package designed to make it easy to maintain ...
  [ Hits: 358 | Votes: 2 | Rating: 9 ]

• OpenRepeater for Raspberry Pi - OpenRepeater
  
  OpenRepeater is a low cost low power but feature rich duplex repeater controller suitable for ...
  [ Hits: 389 | 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 ]

• Stop RFI from Solar PV Systems - WB8ERJ
  
  Stop EMI RFI Interference in Off Grid Solar PV Systems in this article the author ...
  [ Hits: 82 | Votes: 0 | Rating: 0 ]

• Measuring with a MiniVNA - N4SPP
  
  Measuring technicques using a MiniVNA author describes how to determine and unknown inductance or how ...
  [ Hits: 186 | Votes: 1 | Rating: 1 ]

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