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• 160 meter linear loaded Inverted L antenna
  
  The total length of the inverted L is 240 feet which is 7 16th of ...
  By W4HM - Votes: 5 | Rating: 5.6

• Antenna Trap Calculator
  
  Design your own antenna trap online
  Votes: 124 | Rating: 4.79
• Coil calculator
  
  On-line single-layer coil designer
  Votes: 20 | Rating: 4.31

• Practical Guanella 1:1 balun
  
  This article proposes a lossy transmission line model of a practical Guanella 1 1 balun ...
  Votes: 3 | Rating: 3.33

• Petlowany Antennas by K6NO
  
  WorldRadio Article on Petlowany antennas base on this principle if a length of wire is ...
  Votes: 9 | Rating: 6.22

• VHF/UHF Folded Diplole
  
  This is a two element colinear design for vertically polarized radiation It may be constructed ...

• ZK3N Online Log
  
  ZK3N On-line Log search
  Votes: 6 | Rating: 4

• Learn CW Online
  
  At LCWO you can learn Morse telegraphy CW online in your browser You don t ...
  Votes: 31 | Rating: 5.9

• CoaxMan
  
  The Coaxman by Clear Signal Products Inc features a complete Wireman line of coaxial cable ...
  Votes: 2 | Rating: 4.5

• Convert addresses to Latitude and Longitude
  
  This online tool will convert any street address into latitude and longitude and vice versa ...
  Votes: 5 | Rating: 3.8

• Australian National D-Star Web Site
  
  This web site provides information and Operational Guidelines for D-Star in Australia.
  Votes: 2 | Rating: 6

• Working AO-51 Calls for Courtesy, Common Sense
  
  AO-51 Operating guidelines and introduction

• Technical books online
  
  Downloadable Amateur Radio Tube related technical books free of charge and ready to download ...
  Votes: 4 | Rating: 4.75

• Knights Electrocom Limited
  
  UK based online shop for cb and amateur radio equipment and related accessories
  Votes: 1 | Rating: 10

• Ridge Equipment
  
  Sells a broad range of Electronic Test Equipment as well as a full line of ...
  Votes: 1 | Rating: 2
• Electronix Express
  
  Online shop for all electronics needs Cables Buzzers all kind of electronic components capacitors inductors ...
  Votes: 2 | Rating: 8.5

• QRO-Parts.com
  
  Svetlana tubes also Russian capacitors vacuum and coaxial relay for RF Power Linear Amplifier builders ...
  By Serge - Votes: 99 | Rating: 8.88

• FilterCAD
  
  A free computer aided design program to help users without special expertise in filter design ...
  Votes: 28 | Rating: 5.03

• Online Microwave Filter Design and Analysis
  
  This site is dedicated to design and analysis of micro and millimeter wave filters from ...
  Votes: 10 | Rating: 6.2

• Designing Op Amp Audio PreAmplifiers
  
  Design guidelines for Op Amp audio preamplifier circuits by Mike Martell N1HFX
  Votes: 4 | Rating: 3.25

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