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    Re: Silicon Sea : Leg 69
    From: Dan Hogan
    Date: 2001 Apr 10, 01:26 EDT

    On 9 Apr 2001, at 15:55, Yves Arrouye wrote:
    [Big Snip of worked problems]
    You are doing OK, but doing it the hard way ;^)
    > >
    > > 3)  What is the DR position?
    > > --  ------------------------
    >
    > What is a good resource to convert from ZT to UT given one's lat/lon?
    Understand the time zones, one zone every 15 degrees(1 Hour). Each zone
    7.5 degrees either side of its meridian. Dividing the DR/Fix Lon by 15
    gives the zone you are in apply it to either UT or ZT.
    ZT= UT -W Zone
    UT= ZT +W Zone
    > > 4)  What day of the week is this?
    > > --  -----------------------------
    >
    > According to my calendar, it's a Saturday..
    Dan Hogan WA6PBY
    Catalina 27 "GACHA"
    dhhogan{at}XXX.XXX
    Navigation-L List Owner
    http://www.wa6pby.com
    

       
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