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Re: Y2K Compliance with old W3IWI ORBIT program



On Fri, 4 Dec 1998 23:59:03 EST, Steve3209 tudor e mcc wrote:

> 2. what in the world is "sidereal" time? 

Sidereal time uses the earth's rotation according to a far star. Due to
the earth's orbit around the sun, 24 hours is a few seconds longer than
one rotation of the earth. If you use sidereal time, they can more
accurately show one full rotation of the earth. 

Day of year	Length of Solar day	Length of Sidereal Day
Jan 1		24h 00m 29s		23h 55m 35s
Apr 1		23h 59m 42s		23h 56m 28s
Jul 1		24h 00m 12s		23h 55m 52s
Oct 1		23h 59m 41s		23h 56m 23s


--- May Peace and love be yours,
Poohbear/Brendan Keyport
poohbear@poohbear.net (Admin)


--- May Peace and love be yours,
Poohbear/Brendan Keyport
poohbear@poohbear.net (Admin)


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