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Design your own quadrifilar helix, the site even generates a drilling pattern in a PDF file. Several different construction methods are shown.
 Weather Satellite : Operating Modes/Satellites/Weather Satellite
Weather satellite reception
Quadrifilar helicoidal antenna is listed on dxzone.com since 2003-08-09
Hits : 3890 - Rating : 6.38 - Votes : 13
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