[time-nuts] Sidereal time

Brian Kirby kilodelta4foxmike at gmail.com
Fri Jan 15 03:12:56 UTC 2010


I would like to have an electronic clock to keep sidereal time.  I am 
planning on using a HP 59309A, which can except an external clock of 
1/5/10 Mhz.

According to Wikipedia sidereal time is 23 hours 56 minutes and 4.091 
seconds - a total of 86,164.091 seconds

So 86,400 seconds for a normal "atomic defined" day divided by 
86,164.091 = 1.002,737,903,89

If I set the 59309A to 10 Mhz external clock and dial a synthesizer up 
to 10.0273790, the unit should be able to keep sidereal time.

Is my math and theory correct ?

Brian - KD4FM



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