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• Trapped dipole for 80 and 40 m
  
  This article explores a theoretical model for the losses of an 80m 40m trapped inverted ...
  [ Hits: 2731 | Votes: 0 | Rating: 0 ]

• Axial-Mode Helical Antenna Calculator
  
  Simple implementation of the ARRL Antenna Book design equations for the axial mode helical antenna ...
  [ Hits: 2853 | Votes: 15 | Rating: 5.4 ]

• Practical Guanella 1:1 balun
  
  This article proposes a lossy transmission line model of a practical Guanella 1 1 balun ...
  [ Hits: 3619 | Votes: 3 | Rating: 3.33 ]
• Guanella 1:1 VHF choke balun
  
  A model of a Guanella 1:1 VHF choke balun using a FT140-61 core
  [ Hits: 3620 | Votes: 9 | Rating: 3.11 ]

• Antique Radio Repair and Restoration - Patrick Ryan
  
  Classic Radio Restorations specialize in professional repair and restoration on all makes and models of ...
  [ Hits: 1081 | Votes: 0 | Rating: 0 ]

• TARA's all Seasons Contests
  
  Digital modes contest rules by TARA Offers the All Seasons contest Tournament A new concept ...
  [ Hits: 364 | Votes: 0 | Rating: 0 ]

• D-Star presentation and sounds
  
  A powerpoint presentation of the D STAR operating mode by K7VE includes d star sound ...
  [ Hits: 2174 | Votes: 5 | Rating: 2.4 ]

• Farallon Electronics
  
  PACTOR mode radio modems and accessories performance sailing electronics and innovative hard to find parts ...
  [ Hits: 810 | Votes: 0 | Rating: 0 ]

• DX marathon Award
  
  Simply work as many countries and CQ Zones as you can in each calendar year ...
  [ Hits: 553 | Votes: 0 | Rating: 0 ]

• DStar- is anybody else worried about this?
  
  D Star is being promoted as a new digital voice transmission mode For the second ...
  [ Hits: 410 | Votes: 0 | Rating: 0 ]

• Digital Modes used in Ham Radio
  
  Article with waterfall pictures and samples of several digital modes like psk31 sstv packet pactor ...
  [ Hits: 1129 | Votes: 3 | Rating: 7.67 ]

• Sights and Sounds of Digital Signals
  
  Preview the waterfall signature of various digital signals and listen to the sound of the ...
  [ Hits: 1047 | Votes: 3 | Rating: 6.67 ]

• W1TAG WD2XES WE2XGR/3
  
  Experimental Stations Run by W1TAG WD2XES has been used to study LF antenna design propagation ...
  [ Hits: 392 | Votes: 2 | Rating: 10 ]
• Low Frequency Transmission Modes
  
  Article by W1TAG on operating modes used on low banding The 2200 meter band 135 ...
  [ Hits: 438 | Votes: 0 | Rating: 0 ]
• Keyboard Modes for 600 Meters
  
  Evaluation of various operating modes on 600 meters
  [ Hits: 791 | Votes: 0 | Rating: 0 ]

• Olivia, the Magic Digital Mode
  
  Olivia MFSK digital communications are becoming popular in amateur radio because Olivia is one of ...
  [ Hits: 1932 | Votes: 8 | Rating: 8.38 ]

• Brown Brothers Machine Keys
  
  The purpose of this article is to describe in detail the Morse code keys made ...
  [ Hits: 1087 | Votes: 3 | Rating: 6.67 ]

• PacTerm for Windows - Kantronics Co., Inc.
  
  PacTerm for Windows is a commercial host mode terminal software for the Kantronics TNCs takes ...
  [ Hits: 3499 | Votes: 8 | Rating: 7.5 ]

• SPLAT! for Windows - John McMellen
  
  This free software is useful for visualizing terrain and performing Longley Rice path loss and ...
  [ Hits: 9512 | Votes: 42 | Rating: 6.48 ]

• Sound Card Interface by VK6YSF - Peter
  
  Presented here is a transceiver to computer sound card interface complete with automated transmit key ...
  [ Hits: 3190 | Votes: 2 | Rating: 8.5 ]

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