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    Re: Mag. Var. in Australia??
    From: Doug Royer
    Date: 2004 Feb 19, 11:31 -0800

    >  -----Original Message-----
    > From:         Royer, Doug
    > Sent: Wednesday, February 18, 2004 11:30
    > To:   'navigation-l{at}listserv.webkahuna.com'
    > Subject:      Mag. Var. in Australia??
    >
    > Kieran,I have a few questions about the procedure used by Mr. Gregory to
    > find variation.
    > 1.In the example you posted what's the deal with takeing 1/2 the sum of
    > PD,L and ALT?
    > 2.There is a 360 printed.What does this represent?
    > 3.Where did the 282* 35' azimuth angle come from?Or is it a Zn?
    > 4.Is the Alt noted corrected or only an hs?
    > 5.On the date stated the dec of the sun is a North dec.Why add the Lat as
    > it is 18* 00' S when summing for PD,Lat and Alt?
    > It appears these guys were comparing azimuth angles to find the
    > variation.Is that correct?
    > I'm just not clear on this to continue.
    
    
    

       
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