[amsat-bb] Re: Dont loose the north

Michael R. Owen nlsa at nlsa.com
Fri Dec 28 08:49:55 PST 2007

All -

For what it's worth, Polaris' declination is 89.2 degrees.  
Consequently, it can be as much as 0.8 degrees "off" from true North.

For aligning an antenna whose beamwidth is 15-30 degrees, this error is 
trivial of course.


Luc Leblanc wrote:
> I don't know if the old Columbus trick works in the southern hemisphere but 
> here i calibrate my antennas on Ursa Major AKA The north star.
> Just place yourself just under your tower or your beam supporting structure 
> locate the north star and pointed your antenna.
> For those who are not able to see the north star too bad take a GPS i check 
> with mine against the north star and its closed enough just make sure you are 
> programming to see the thru north not the magnetic north.
> "Is it true that water flush in reverse side in drain if you are in the 
> southern hemisphere? an old non believer saying!
> Luc Leblanc VE2DWE
> Skype VE2DWE
> www.qsl.net/ve2dwe
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Michael R. Owen, Ph.D.
Northern Lights Software Associates

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