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    Re: Timesight at sunset?
    From: Frank Reed
    Date: 2013 Jan 10, 17:24 -0800

    For your next time sights, why not download a 19th century copy of Norie or Bowditch (or Martelli's Time Tables, if you want to join the party :)) right on your iPhone. I have quite a few navigation works on my smartphone (the infamous Samsung Galaxy S3 running Android).

    Here's a short link to a bunch of options you can consider:
    http://www.fer3.com/arc/navbooks2.html

    Or if you want an online calculator, you can just use the USNO site:
    http://aa.usno.navy.mil/data/docs/celnavtable.php
    and modify your position until it produces the right altitude at the right GMT.

    -FER


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