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* CQ ARTICLE ON FT241A CRYSTALS IN A FILTER*

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CQ MAGAZINE for NOVEMBER 1955

A RECEIVER VARRIABLE SELECTIVITY ADAPTER

USING FT-241 SURPLUS CRYSTALS

*IF* YOU HAVE THE RIGHT ONES!

CRYSTAL FILTER ARTICLE PAGE 1

CRYSTAL FILTER ARTICLE PAGE 2

CRYSTAL FILTER ARTICLE PAGE 3

CRYSTAL FILTER ARTICLE PAGE 4

CRYSTAL FILTER ARTICLE PAGE 5

CRYSTAL FILTER ARTICLE PAGE 6

CRYSTAL FILTER ARTICLE PAGE 7

CRYSTAL FILTER ARTICLE PAGE 8

CRYSTAL FILTER ARTICLE PAGE 9

CRYSTAL FILTER ARTICLE PAGE 10


I hope this article is helpful. 73s to all!

Bry Carling, AF4K

Crystal Lapping Machines -typical of the kind I used to work with at Cathodeon Crystals.

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