![](https://www.pdfsearch.io/img/bcbddf9ba86478b77275608f1a402ff1.jpg) Date: 2008-04-25 13:25:53
| | Crystal Set Mobile By Al Klase – N3FRQ – December 2006 Back in the 1990’s there was a Yahoo Internet “club”, devoted to crystal radio development called “The Ferrite Core.” One of the perennial topics of coAdd to Reading ListSource URL: www.skywaves.ar88.netDownload Document from Source Website File Size: 149,64 KBShare Document on Facebook
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