NavList thread: Re: Traditional navigation by slide rule (correction)

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10 Jan 2016, 20:50 | Gary LaPook
11 Jan 2016, 00:20 | Bob Goethe
11 Jan 2016, 00:57 | Lu Abel
12 Jan 2016, 05:54 | Paul Dolkas
12 Jan 2016, 21:40 | Gary LaPook
12 Jan 2016, 22:12 | Gary LaPook