NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Averaging
From: Jim Thompson
Date: 2004 Oct 23, 14:14 -0300
From: Jim Thompson
Date: 2004 Oct 23, 14:14 -0300
Thanks George. I was assuming that they would add 60, 120 etc as required, but best not to assume, I guess. Jim Thompson jim2@jimthompson.net www.jimthompson.net Outgoing mail scanned by Norton Antivirus ----------------------------------------- > -----Original Message----- > From: George Huxtable > > Jim Thompson said- > >And then, to average a run of acceptable sights: > >4. Average time by adding up the minutes and seconds and dividing by the > >number of sights, then adding that average to the whole hour. > >5. Average altitude by adding up the minutes and seconds and > dividing by the > >number of sights, then adding that average to the whole degrees. > > BEWARE. That advice could lead your readers into serious trouble, if they > try to average that way a set of readings that spans a change-of-degrees, > or a change-of hours!
