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The Crystal Radio - American Radio Relay League

The Crystal RadioQST December 1997, pp. 56-57 Copyright 1997 by the American Radio Relay League , Inc. All rights reservedE56 December 1997ven a casual auditor of the amateur bands will con-clude that the hobby is largely populated by wizenedold geezers and I m one of them. This is a sad situ-ation because most of us entered Amateur Radio as ham Radio is to continue for generations to come, we must getyoungsters interested in Radio communication while they re stillin grammar school and still capable of wonder. We need to reachthem while they are still asking questions about everyday matters(that all too often go unanswered) such as, Why does it get lightin here when I push this thing? Reaching today s kids won t be easy. With the Internet, cellu-lar telephones and other forms of global communication common-place in their lives, the true magic of Radio lies buried beneath thetechnology.

Capacitor C2 is used to match the antenna system, and C3 is the main tuning capacitor. Absent from this circuit is the finicky ga- ... The Crystal Radio What’s old is new again! C1—1000 pF mica or disc ceramic trimmer (Radio Shack 272-123) C2—40 to 500 pF trimmer capacitor

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  American, Radio, Ceramic, Early, Capacitors, American radio relay league, League, Crystal, Crystal radio

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