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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Pub. 229 vs. 249 table formats
From: Greg R_
Date: 2008 Jun 5, 22:33 -0700
From: Greg R_
Date: 2008 Jun 5, 22:33 -0700
--- Anabasis75@aol.com wrote: > They give the formulae they used for both Hc and Zn in the preface of > the book. Yeah, I wouldn't think that spherical trig has changed that much over the years (though maybe the formula for solving the triangle has been simplified over the years?). Who knows, since noone on the list seems to have a definitive answer I guess the reason for the different page formats will just have to remain a mystery for now. BTW, are you planning to grade the exercises that you posted, or just leave everyone to their own devices?... ;-) -- GregR --- Anabasis75@aol.com wrote: > Greg wrote: "Assuming they were using the same formula that we use > to solve > the navigational > triangle today (and I don't know if that's the case or not)..." > > They give the formulae they used for both Hc and Zn in the preface of > the > book. Since HO 229 is given as a reference in the USCG exam, I used > the > formulae given in the text to find Hc and Zn in the exams on my > calculator with a > quick check of the tables to make sure I didn't make an error. > > Jeremy > > > > > **************Get trade secrets for amazing burgers. Watch "Cooking > with > Tyler Florence" on AOL Food. > (http://food.aol.com/tyler-florence?video=4?&NCID=aolfod00030000000002) > > > > --~--~---------~--~----~------------~-------~--~----~ Navigation List archive: www.fer3.com/arc To post, email NavList@fer3.com To , email NavList-@fer3.com -~----------~----~----~----~------~----~------~--~---