NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Paper charts and Loran TD lines
From: Richard B. Langley
Date: 2013 May 14, 17:30 -0300
From: Richard B. Langley
Date: 2013 May 14, 17:30 -0300
http://www.navcen.uscg.gov/?pageName=loranMain Several of the U.S. towers have been demolished, with video of the event posted to YouTube. Many of us in the GPS community urged the U.S. government to retain Loran-C as a viable backup to GPS. The Europeans are being more prudent (and possibly the Russians, too) in retaining Loran-C and even fully upgrading to eLoran, which the British have done. See http://www.gpsworld.com/making-europes-seaways-safe-for-enavigation/, for example. -- (Prof.) Richard Langley Quoting Bill B: > If memory serves Loran was shut down in February of 2010. > > I've not purchased paper charts for a while, and was curious to see > if Loran TD lines were still present. Current online images of NOAA > Great Lakes charts still have the lines, as well as the Loran Linear > Interpolater. > > Old technology, but some argue a viable backup where available for > GPS, especially for recreation/small commercial vessels. Navlist > members might suggest that is a sextant's job ;-) > > Is it too much of a hassel/expense to remove them, or are they left > there just in case the mothballed stations are needed/funded again? > > > > Bill B > > > ---------------------------------------------------------------- > 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 > ---------------------------------------------------------------- > > : http://fer3.com/arc/m2.aspx?i=124045 ----------------------------------------------------------------------------- | 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.fredericton.ca/ | -----------------------------------------------------------------------------