Quadrifilar Helix: Revision history

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11 August 2022

8 January 2016

6 August 2015

  • curprev 22:2422:24, 6 August 2015WikiSysop talk contribs 3,436 bytes +3,436 Created page with "This is a project to create a UHF quadrifilar helicoidal antenna for use with a ham radio to transmit APRS data from the high altitude balloon payload. File:QFH-5.jpg|thumb..."