Re: [amsat-bb] SEC: UNCLASSIFIED - RE: Compass corrections (Sun & surveyors)

[G&N RUY <ruygh@xxxxxxxxxxxxx>]

Ancestor of polar mount :-) but will be off east a few seconds of arc if
you near equinox because of the rapid change in declination. (does it
matter?)

David Querbach wrote:
> 
> 1.  Drive a stake into the ground at around noon (not at all critical).
> 2.  Adjust the stake angle to eliminate any shadow.
> 3.  Wait 15-30 minutes.  The shadow will point EXACTLY east.
> 
> This is an old trick from the Boy Scout Handbook, circa 1969.
> 
> Regards,
> 
> David Querbach, VE7FQH
> 
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-- 
______________________________
Ghislain RUY 
F1HDD/ON1RG
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SATEDU TEAM
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