"KE9EX" wrote in message
oups.com...
I read here or somewhere about how to translate the numbers stamped on
a FT-243 Crystal
to be able to tell the Crystal's Frequency. I have some with these
numbers stamped on them,
and want to be certain of the frequency, since the ink with the exact
Frequency has long since faded. TNX ex 73, Mike


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