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    Re: AM and PM time sights
    From: Greg Rudzinski
    Date: 2016 Jun 28, 17:34 -0700

    Dave,

    You will need to add terms in the TS formula when latitude and declination are contrary (north south). Formula:

     cos t = (sin h + (sin L* sin d))/(cos L * cos d) contrary name

     cos t = (sin h - sin L* sin d)/(cos L * cos d) same name

    Should work for you now.

    Greg Rudzinski

       
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