[TowerTalk] RE: Compass question

[David Robbins K1TTT]

How does a stationary gps point north?


David Robbins K1TTT
e-mail: mailto:k1ttt at arrl.net
web: http://www.k1ttt.net
AR-Cluster node: 145.69MHz or telnet://dxc.k1ttt.net
 

> -----Original Message-----
> From: towertalk-bounces at contesting.com [mailto:towertalk-
> bounces at contesting.com] On Behalf Of WI8W
> Sent: Thursday, February 13, 2003 01:36
> To: towertalk at contesting.com
> Subject: [TowerTalk] RE: Compass question
> 
> The technique I used for aligning my Yagi to north was to let my
Garmin
> GPS
> unit do the pointing.  It has a North arrow that is true north and not
> swayed one bit by the magnetic field.  After mounting the antenna on
the
> mast, I put the GPS unit on the bearing plate of the tower, rotated
the
> antenna by hand until it aligned with that North pointing arrow and
then
> tightened the mast clamp bolts on the rotator. The alignment is "close
> enough for government work."
> 
> 73
> 
> Thom WI8W
> 
> _______________________________________________
> 
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with
> any questions and ask for Sherman, W2FLA.
> 
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