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From: mcovingt@athena.cs.uga.edu ( Michael A. Covington)
Newsgroups: sci.electronics
Subject: Re: Sidereal Time Clock
Message-ID: <1990Dec17.011623.15243@athena.cs.uga.edu>
Date: 17 Dec 90 01:16:23 GMT
References: <1990Dec12.214854.19076@swbatl.sbc.com> <10633@uhccux.uhcc.Hawaii.Edu> <1869@umriscc.isc.umr.edu>
Distribution: sci.electronics
Organization: University of Georgia, Athens
Lines: 11

Simple solution: Get yourself an automotive clock that already has a
crystal in it. (You'll need one that uses a chip that has a 24-hour mode;
might be tricky).

Or get any set of chips that makes a 60-Hz line-operated clock.
Use an MM5369N, which is a special chip that takes a 3.58-MHz
color TV crystal and divides it down to 60 Hz.

Get a crystal that's a wee bit faster, and  you're done.
JAN Crystals advertises in all the electronics magazines and a
custom crystal costs less than $10.