[amsat-bb] Re: Dont loose the north
Michael R. Owen
nlsa at nlsa.com
Fri Dec 28 08:49:55 PST 2007
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
> WAC BASIC CW PHONE SATELLITE
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Michael R. Owen, Ph.D.
Northern Lights Software Associates
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