NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Long Term Almanac 2000-2050
From: Gordon Talge
Date: 2000 Dec 17, 5:58 PM
From: Gordon Talge
Date: 2000 Dec 17, 5:58 PM
"Dr. Geoffrey Kolbe" wrote: > > With reference to the ongoing discussion on the best calculator for > navigational use, may I offer an alternative.... > > - No batteries required > > - Lasts for 50 years > > - Guaranteed to still work after immersion in water > This almanac looks a little like the long term almanac in the back of the "American Practical Navigator" -- Gordon > - Interfaces with the finest computer in the world - your own brain! > > The "Long Term Almanac 2000-2050" is my attempt to produce an easy-to-use > long term almanac that is small enough to be easily stowed - even in the > sextant box. It is good for 50 years so it will be a while before you need > worry about it being out of date! > > The tables give the GHA and dec. of the sun and the GHA of Aries, as well > as the positions of 39 selected navigational stars. The tables are > generally accurate to 0.3'. (Sorry, no moon or planets) > > As well as the usual tables for refraction and dip, there is also a set of > concise sight reduction tables which will get you found to within a mile, > if you do your bit with the sextant. > > Go to http://www.pisces-press.com/almanac.htm and have a look. If you like > it, you can buy it online. > > Tell me what you think... > > Geoffrey Kolbe. > > Border Barrels Ltd., Newcastleton, Roxburghshire, TD9 0SN Scotland. > Tel. +44 (0)13873 76253 Fax. +44 (0)13873 76214. -- ,,, (. .) +-------------------------ooO-(_)-Ooo-----------------------+ | Gordon Talge WB6YKK e-mail: gtalge@pe.net | | Department of Mathematics __ Long Beach, CA | | Wilson High School / / __ _ _ _ _ __ __ | | (o- Debian / GNU / / /__ / / / \// //_// \ \/ / | | //\ /____/ /_/ /_/\/ /___/ /_/\_\ | | v_/_ The Choice of the GNU Generation | | .oooO | | - E Aho Laula - ( ) Oooo. - Wider is Better - | + -----------------------\ (---( )-------------------------+ \_) ) / (_/