h1. Ground Sphere Schematics and PCB Files v0.2 h2. ATF54143 Pre-amplifier The original source material can be found "here":http://www.g0mrf.com/432LNA.htm h3. "Schematic":http://www.g0mrf.com/images/432LNA1.gif !http://www.g0mrf.com/images/432LNA1.gif! h3. "PCB":http://www.g0mrf.com/images/70LNA2.gif !http://www.g0mrf.com/images/70LNA2.gif! h3. "PCB Overlay":http://www.g0mrf.com/images/lnaoverlay.jpg !http://www.g0mrf.com/images/lnaoverlay.jpg!