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Orjan,

What I like about the log sin/cosine tables is that it perfectly complements the slide rule, and pocket trig calculator using the same formulae and DR assumed position. Pub 208/Weems, Pub 249, Pub 229, Pub 214 all complement each other using an assumed position to get a whole LHA and Latitude. The Ix diagram is a one page time saver for Pub 208, Pub 211, Weems, and Trig Log tables (no reason not to include it).

Greg Rudzinski

Re: Classic Trig Log Sight Reduction Revisited
From: Örjan Sandström
Date: 2014 May 27, 13:35 -0700
Kolbe LTA used log sine/cosine in earlier version, something i really liked.
I would use Hanno´s graph for quick azimuth calcs though.
Qctually like Bygrave +Hanno graph or Weems LOP+Hanno graph if speed and weight are concern.

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