Welcome to
THE FOURTH PAGE


of stuff


The slotted line apparutusL match ATU for 80,40,20 metersA tester for 9um communications fibre
A classical tool for impedance measurementmade from found componentsusing a $15 red laser pointer and random optics




but wait there's more

A quarter wave groundplane antenna for 550 THz ! thats light!A quarter wave groundplane antenna for 550 THz !
excerpt from the journal  Photonics Spectra    May 2008  a very fine trade publication, free subscriptions for anyone connected with the photonics business. Highly recommendedjust a tadd amazing







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