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ANOTHER WAY IS TO USE AN MFJ ANTENNA ANALYZER - JUST USE ALLIGATOR CLIPS TO
HOOK THE XTALS PINS TO THE SO-239 ON THE ANALYZER - TUNE ACCROSS - THE RESONANT FREQ WILL SHOW AS A 1:1 ON THE ANALYZER METER - JUST READ THE FREQ OFF THE LCD. - or - USE ANY XTAL TRANSMITTER BY PULLING OUT THE BUFFER/DRIVER TUBE AND TAKING A FREQ COUNTER OR SW RECEIVER NEAR THE OSCILLATOR TUBE AND KEY THE TRANSMITTER. WDØHCO - Biz If you don't get an answer--the FT-243 rocks are fundamental cuts. It would be easy to build an untuned Colpitts oscillator, and use a counter to determine the crystal frequency. A simple c-mos IC oscillator would probably also work. Pete |
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