NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Wobbly Prime Meridian
From: Hewitt Schlereth
Date: 2010 Nov 24, 11:15 -0400
From: Hewitt Schlereth
Date: 2010 Nov 24, 11:15 -0400
On 11/24/10, Gary LaPookwrote: > The original post had the coordinates as N 51 28.674' W 000 00.088'. > > Frank has the coordinates for the same place from Google Earth as > lat/lon=51.477895,-0.001506. > > Converting to sexigesimal makes the Google Earth coordinates: > > N 51 28.6737' W 000 00.09036 > > So the differences between the Google Earth coordinates and the coordinates > from the GPS being evaluated is zero in latitude (rounded to the same > precision) and in longitude .002' (again rounded to the same precision) > about 7 feet, or 2 meters, close enough for most practical navigation so > don't throw that GPS away. > > gl > > ---------------------------------------------------------------- > NavList message boards and member settings: www.fer3.com/NavList > Members may optionally receive posts by email. > To cancel email delivery, send a message to NoMail[at]fer3.com > ----------------------------------------------------------------