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A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Z or ZN and a couple other fx 260 to excel conversions
From: Bill B
Date: 2006 May 30, 03:48 -0400
From: Bill B
Date: 2006 May 30, 03:48 -0400
> Bill wrote: > >> Easy to reduce given latitude, LHA and declination as provided with a >> pocket calculator. > > Agreed, but I was offering to check his work with Navigator Light and see > what it offered up for Hc and Zn. I know you can do that by plugging in > various values until it all works out (essentially working "backwards" to > find the time given an assumed position), but I really don't have the extra > time to run through all the iterations necessary to do that... ;-) > >> Not sure I understand your objection on time. He >> did include LHA, which factors in time via GHA and longitude. > > See above - and agreed, I could duplicate his calculator work but I'm > assuming he did the math right. If I understand now, you are questioning the basic premise(s). Always a sound choice ;-) Bill