Instead of Sentry, try International Crystal, 10 North
Lee Street, Oklahoma City. I don't know the zip code
off the "top of my head". However, they are on the
Internet. Years ago, when all the 2 meter FM
equipment was basically Motorola or GE, several local
Dallas area amateurs tried Sentry. Their results were
not satisfactory. However, that was over 30 years ago
and hopefully Sentry has improved over the years.
It has been my experience that International already
has the information necessary to produce a correct
crystal for virtually any equipment made. I haven't
asked for any crystals for the Drake equipment, but I
have gotten them for various Collins, Heath, as well
as commercial tolerances for Motorola and General
Electric.
They are not the cheapest place around, but they
definitely guarantee the crystals to work and
guarantee them for life. A while back I had a crystal
go bad in a homebrew converter for 432 MHz. It was
well over 30 years old. International furnished a new
crystal at no cost! The only thing that cost me was
the postage to send the old crystal up to Oklahoma
City.
Glen, K9STH
--- Walter Amos <waltk8cvamosqrp@earthlink.net> wrote:
I don't know what to tell her !
=====
Glen, K9STH
Web sites
http://home.attbi.com/~k9sthhttp://home.attbi.com/~zcomco
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