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    Re: LAN sight help !!
    From: Dan Hogan
    Date: 1999 Aug 13, 9:21 AM

    Barry:
    
    The Sun will cross your meridian (Lan) at 20H 15m 12s GMT. Due to the
    uncertainty of the longitude it would be best to start looking about 5
    minutes earlier. Your ZT of Lan would be:
            Zone Description (ZD) = DR-Lon / 15
            ZT of LAN = ZD (+West Lon or -East Lon) ~ GMT
    
    I find doing my celestial navigating using GMT removes several steps of
    possible errors. So I would start looking for LAN about 5 minutes
    before 20 Hr 06m 12s GMT.
    
    >I'm trying to learn Celestial Nav on my own and I have a question
    >regarding LAN sights...I understand the concept, the math and the
    >conversion of ARC time.BUT for instance:
    
    >      mer pass + DR-LON(W) = GMT of LAN
    >
    >       12h 06m + 8h 09m 12s = 20h 15m 12s
    >
    >
    >  How does 20h 15m 12s help me in predicting LAN at my long....Is it
    >that simple that I just don't see it..???
    
    
    Dan Hogan WA6PBY
    C27 "Gacha"
    dhhogan{at}nav.cnchost.com
    Navigation-L: http://nav.cnchost.com
    

       
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