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RE: Compass corrections



Now that's clever!  All we need the coordinates of magnetic North which
has been provided.  73  Cliff K7RR

On Thu, 2 Mar 2000, Bill Jones wrote:

>  Just to add a few things to the discussion.   Although I use a program I 
> found at NOAA to determine magnetic deviation (I have a copy of the program 
> at http://www.megalink.net/~wejones/pcgeom31.exe  ) , the most accurate 
> method is the method previously mentioned method of finding the time of local 
> noon,( either from astronomy or tracking programs, or from 
> http://riemann.usno.navy.mil/AA/data/docs/AltAz.html  )  and observing the 
> shadows of a vertical pole at this time. There is also a somewhat less 
> accurate method using a common ham program.  The program is the great circle 
> program that you can find in a couple ARRL publications.  Just use it to find 
> the heading to 76.2 deg N  , 101 deg W  ,  This will usually be within a 
> couple degrees, which is good enough for anything but a dish.
> 
> 
> 
> 
> **************************************
> *Bill Jones  N3JLQ  Sweden Maine     *
> * wejones@megalink.net               *
> * http://www.megalink.net/~wejones   *
> **************************************
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