NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Mercator vs. Great Circle Charts
From: Richard B. Langley
Date: 2001 Aug 29, 10:46 AM
From: Richard B. Langley
Date: 2001 Aug 29, 10:46 AM
On Wed, 29 Aug 2001, Richard B. Emerson wrote: >Still in use??? I don't think so or you weren't seeing SATNAV. The >Transit satellites have been shut down. I've lost track of the URL >but I think NavCen had some pieces about pulling the plug on the >satellites. Anyway, the point is the satellites are silent. Maybe >you were seeing Omega or some other system? Omega is gone too! -- Richard Langley >After the QE2 taking the bottom on a rock off Nantucket and a couple >of similar groundings from blindly following the data on a nav >console, any captain who doesn't wear suspenders, a belt, and a >skyhook to keep his or her navigational pants up is asking for >problems. Your observation suggests at least one captain so >equipped. [s] > >Rick >S/V One With The Wind, Baba 35 > >Young, Derrick writes: > > Rick, > > > > I understand your comment about SATNAV - but I was on a cruise ship recently > > and they still had the equipment and it was still in use. Like many > > mariners - we seem to keep the old stuff "just in case." I still found > > folks onboard that thought it was funny that the quartermaster was taking > > dawn/noon and dusk shots with a sextant and then working out the position > > (by hand!) to confirm what the position that the GPS and LORAN-C were > > reporting. > > > > It felt good (to me) to see their accuracy was a bit better than mine (lots > > more practice!). > > > > derrick > =============================================================================== Richard B. Langley E-mail: lang@unb.ca Geodetic Research Laboratory Web: http://www.unb.ca/GGE/ Dept. of Geodesy and Geomatics Engineering Phone: +1 506 453-5142 University of New Brunswick Fax: +1 506 453-4943 Fredericton, N.B., Canada E3B 5A3 Fredericton? Where's that? See: http://www.city.fredericton.nb.ca/ ===============================================================================