[R-390] 200kc crystals

[Bill Hawkins]

First you'd have to put three 455 crystals together and somehow
fuse them so that they became one crystal. Then you could grind
off material to raise the frequency.

Bill Hawkins
 

-----Original Message-----
From: r-390-bounces at mailman.qth.net
[mailto:r-390-bounces at mailman.qth.net] On Behalf Of n4buq at knology.net
Sent: Thursday, June 14, 2007 9:21 AM
To: R-390 at mailman.qth.net
Subject: [R-390] 200kc crystals

Is it possible to disassemble an HC-6 crystal and grind it to a
different frequency?

Since 200kc crystals are getting pretty rare, I was wondering if a 455kc
could be ground to 200kc.  More trouble than it's worth?

Barry - N4BUQ
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