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    Re: Azimuth Formula Questions
    From: John Simmonds
    Date: 2005 Oct 23, 23:58 +1000
    the same formula will work for great circle sailings
    enter departure as assumed position .. destination as LHA & Dec
     
    John

    On Sun, 23 Oct 2005 11:58:10 +0300, Marcel E. Tschudin wrote:
    >�George, you suggested this formula to calculate the azimuth
    >
    >>�az = arctan (sin (hour angle) / (cos (hour angle) sin lat - cos
    >>�lat tan dec))
    >>
    <snip>
    >>
    >�Do you know of a formula with the same advantages as the one you
    >�mentioned here in order to calculate the azimuth for the direction
    >�between two locations on the globe? The spherical triangle formula
    >�which I am using at present needs a lot of if-statements for
    >�selecting the right quadrant. May be there does also exist a more
    >�advantegeous formula to calculate this azimuth.
    >
    >�Marcel

       
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