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• 9:1 Magnetic Longwire Unun - M0UKD
  
  A magnetic longwire unun with a T130-2 Iron Powder core by M0UKD
  [ Hits: 1424 | Votes: 7 | Rating: 7.29 ]
• 9:1 Voltage Unun - VK6YSF
  
  A 9 1 voltage unun using a T 200 2 powdered iron toroid core to ...
  [ Hits: 1495 | Votes: 12 | Rating: 6.91 ]

• Sorbie Balun and Bottle Choke
  
  Homebrew a 1 1 balun consistsing of 4 4 turns of mini coaxial cable over ...
  [ Hits: 703 | Votes: 1 | Rating: 1 ]

• The 1: 4 Current balun
  
  A 1:4 current balun made with 2 4C65 cores by PA1G in Dutch
  [ Hits: 775 | Votes: 1 | Rating: 2 ]
• High Power 4:1 Balun - N9SES
  
  High power 4:1 air core balun for multi band fan dipole antenna
  [ Hits: 1610 | Votes: 4 | Rating: 2.75 ]

• Trapped Dipole for 15/20 Meters Bands - VK3YY
  
  An easy to build dipole for 21 and 14 MHz with traps made by two ...
  [ Hits: 628 | Votes: 2 | Rating: 7 ]

• End Fed Long Wire Antenna - WB5CXC
  
  The antenna is an inexpensive multiband end fed HF antenna It has a matching network ...
  [ Hits: 2262 | Votes: 5 | Rating: 5.2 ]

• 40m portable antenna tuner
  
  A small sized portable antenna tuner for the 40 meter band end fed half wave ...
  [ Hits: 2159 | Votes: 7 | Rating: 8.14 ]
• Yet Another EFHW Matcher - VK3YY
  
  An end fed half wave antenna matcher project based on a FT 82 43 core ...
  [ Hits: 701 | Votes: 3 | Rating: 9 ]

• The Z Match Using a Toroidal Core Coil - VK5BR
  
  Combined with Miniature Tuning Gang Capacitors a toroidal core inductor is a means to assemble ...
  [ Hits: 609 | Votes: 0 | Rating: 0 ]

• Contest Online Score Board - VA2WDQ
  
  Contest Online Score Board server collect real time contest scores directly from the most popular ...
  [ Hits: 524 | Votes: 2 | Rating: 9 ]

• 599 DX Association - 599 DX Association
  
  Formed in 2010 by a group of hams whose core hobby interest is DXing and ...
  [ Hits: 196 | Votes: 0 | Rating: 0 ]

• CET Technology - Michelle Farnum
  
  Manufactures Flyback Switching Audio Toroidal Current Sense Custom Trasformer Drumcore PFC Inductor Common Mode Chokes ...
  [ Hits: 136 | Votes: 0 | Rating: 0 ]

• QScope.org
  
  QScope org is an advanced statistics online application with innovative features for HAM Radio operators ...
  [ Hits: 976 | Votes: 3 | Rating: 4 ]

• Sat Track free - Daniel Kaminski
  
  At the moment Sat Track is an advanced and precise sat tracker for Windows Phone ...
  [ Hits: 1082 | Votes: 9 | Rating: 5.78 ]

• Air cored inductor calculator - OZ1CX
  
  Online calculator for Input coil data, LC Resonant Frequency and L match
  [ Hits: 475 | Votes: 2 | Rating: 1 ]

• Toroid Inductance Chart
  
  To save a little time from calculating and experime nting when winding toroid cores here ...
  [ Hits: 1714 | Votes: 6 | Rating: 4.83 ]

• Build an All Band HF Air Core Choke Balun - hamuniverse
  
  The main function of the Ugly Balun is to help eliminate rf currents from flowing ...
  [ Hits: 794 | Votes: 12 | Rating: 7.84 ]

• How to make a mains filter for EMC and noise reduction - Adrian Leggett
  
  Article showing how I ve made a mains filter to reduce EMC in the electricity ...
  [ Hits: 1228 | Votes: 5 | Rating: 9.6 ]

• A Progressive Communications Receiver - N9SKN
  
  The purpose of this webpage is to document an attempt at this project starting with ...
  [ Hits: 431 | Votes: 1 | Rating: 10 ]

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