I must have missed the question about the crystal checker.  I bought the X-Checker a couple years ago, and it seems to have disappeared from sale now.  It works quite well and not expensive.  But, when I went looking for it to send the link, it is longer there, it did bring up a lot of crystal checker circuits for home brewing, simple to complex.  I have 3 of those metal crystal storage boxes that plugged into the FM tank radio, forgot the nomenclature, and out of all those crystals, only a few worked.  The early FT241's were exceptionally fragile.  Anybody need those boxes full of dead rocks to fill a hole in their transmitter?

Charlie, W4MEC in NC

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