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• RF Transmission Line Loss Calculator
  
  This calculator computes the matched line loss for a transmission line using a model calibrated ...
  [ Hits: 2508 | Votes: 18 | Rating: 3.94 ]

• Beverage transformer notes - N1EU
  
  In this article the author discusses the importance of good transformers for Beverages especially for ...
  [ Hits: 1319 | Votes: 1 | Rating: 10 ]

• Coaxial Transmitting Chokes
  
  Understanding Common Mode and Differential Mode Currents on Transmission Lines by K9YC
  [ Hits: 1102 | Votes: 0 | Rating: 0 ]

• Noise Reduction on 40m - Christoph
  
  DF9CY implementation of W1HIS suggestion of inserting a common mode choke into a 40m antennas ...
  [ Hits: 1384 | Votes: 0 | Rating: 0 ]
• A model of the W2DU 1:1 choke balun
  
  Notes on making the W2DU choke balun by placing several ferrite sleeves around a coaxial ...
  [ Hits: 9718 | Votes: 7 | Rating: 2.29 ]

• Antennas for 100 Pound DXpeditions
  
  NE1RD interesting publication published online about homebrewing antennas for dx peditions or portable use ...
  [ Hits: 2468 | Votes: 3 | Rating: 7.33 ]

• Digital Operating Modes
  
  Description frequencies and sound samples of most popular amateur radio digital modes by DG8FBV ...
  [ Hits: 1253 | Votes: 4 | Rating: 8 ]

• YouTube - What the HELL?
  
  Hellschreiber is an interesting ham radio mode developed back in the 20s It is a ...
  [ Hits: 1414 | Votes: 3 | Rating: 7 ]

• W8DIG Central Ohio Digital Interconnect Group
  
  Group of dedicated amateur radio enthusiasts who want to further digital modes of communication in ...
  [ Hits: 466 | Votes: 1 | Rating: 10 ]

• An Introduction to Hellschreiber
  
  Feld hell club promoting the use of all hellschreiber modes on the amateur radio bands ...
  [ Hits: 622 | Votes: 0 | Rating: 0 ]

• An Introduction to 24 GHz
  
  Article provides a guide on how to use 24 GHz band and what to expect ...
  [ Hits: 529 | Votes: 1 | Rating: 8 ]

• Keplerian Elements
  
  Keplerian elements are the inputs to a standard mathematical model of spacecraft orbits.
  [ Hits: 285 | Votes: 0 | Rating: 0 ]

• cocoaNEC
  
  cocoaNEC 2 0 is an opensource Mac OS X application intended primarily for the design ...
  [ Hits: 1610 | Votes: 3 | Rating: 10 ]

• Integrated Engineering Software
  
  Electromagnetic CAE simulation software for modeling and analysis. RF, Microwave & Antennas
  [ Hits: 1686 | Votes: 4 | Rating: 8.75 ]

• MultiDem
  
  USB LSB AM Modem Modulator Demodulator for SdR and DSB direct conversion transceivers by F6CTE ...
  [ Hits: 4212 | Votes: 2 | Rating: 6.5 ]

• AirLink Express
  
  AirLink Express is a user friendly digital mode software package for the Amateur Radio Operator ...
  [ Hits: 8331 | Votes: 23 | Rating: 7.47 ]

• BeamFinder
  
  BeamFinder is a software tool designed to conduct analyses for radio amateurs interested in radio ...
  [ Hits: 2455 | Votes: 1 | Rating: 10 ]

• Spectrum Analyzer Real-time FFT - Oleg Ya. Shmelyoff
  
  Eight channel Audio Spectrum Analyzer is a set of Real Time Multi Channel Gauges for ...
  [ Hits: 11316 | Votes: 9 | Rating: 7.77 ]

• DATV Primer
  
  About G7LWT Digital ATV experience, a lot of informations about the DATV mode
  [ Hits: 1045 | Votes: 1 | Rating: 9 ]

• 5th order High Pass VHF Filter
  
  Sometimes many VHF UHF modern transceivers have problems with BROADCAST Interference and CROSS modulation from ...
  [ Hits: 1211 | Votes: 8 | Rating: 6.12 ]

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