[ Date Index ] [ Thread Index ] [ <= Previous by date / thread ] [ Next by date / thread => ]
On 04/04/14 11:26, Eion MacDonald wrote: > > > On 03/04/2014 23:06, Julian Hall wrote: >> With a SatNav it doesn't matter if you can't see anything as long as you >> can see /it/. > > AND you do not move except very cautiously. SatNavs for civilian use are > not accurate within 6 feet (deliberately). So easy to walk over an edge. > USA military accuracy is 10cm! IIRC this inaccuracy can be turned on and off. (Though for a large chunk of the planet at a time.) It may even be off at present due to a combination of US soldiers being issued with "civilian" units (easier to get hold of in quantity at short notice) together with the possibility of competition from the EU and the Russian Federation.
Attachment:
signature.asc
Description: OpenPGP digital signature
-- The Mailing List for the Devon & Cornwall LUG http://mailman.dclug.org.uk/listinfo/list FAQ: http://www.dcglug.org.uk/listfaq