[Boatanchors] WANTED: FT-243 Crystal for 7160 khz

[David Stinson]

I learned a trick from Bry:
If you have an FT-243 higher in freq- say, 7170 KC, you can 
carefully mark one side of the crystal blank with a Sharpie
marker and it will move it down in frequency nicely.
You can move it quite a few KC.
You have to be careful- a little at a time.  Draw a diag. line
half way from one corner to the other.  See how much that
moved it and add accordingly.  If you go too far, clean some 
off with a Q-tip and alcohol.  I've "penned-down" several
and they work well.