> The formula for maximum surface distance on the Earth (in
> kilometers) an
> object at HEIGHT (also in kilometers) can be seen is given by:
At the calculated distance - at what altitude is the object above the
observer's horizon?
> DIST = 6371 * {arccos[6371/(6371 + HEIGHT)] / 57.29577}
I'm not familiar with the term "arccos". How does it differ from the
mathematical function cosine?
------------------------------
Jonathan T. Wojack tlj18@juno.com
39.706d N 75.683d W
4 hours behind UT (-4)
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This archive was generated by hypermail 2b29 : Sun Apr 29 2001 - 17:32:59 PDT