http://www.gpsbuyerguide.com/blog/how-much-daily-human-input-is-needed-to-keep-gps-satellites-and-service-operational/ Fri, 30 Jul 2010 15:15:57 -0600 http://wordpress.org/?v=2.8.4 hourly 1 http://www.gpsbuyerguide.com/blog/how-much-daily-human-input-is-needed-to-keep-gps-satellites-and-service-operational/comment-page-1/#comment-3591 daSVgrouch Sat, 06 Feb 2010 13:13:09 +0000 http://www.gpsbuyerguide.com/blog/how-much-daily-human-input-is-needed-to-keep-gps-satellites-and-service-operational/#comment-3591 1) cell phones usually get assistance via the wireless network, so they may be challenged in acquiring GPS satellites 2) how long will GPS still work? accurately about 1/2 year - after a few days, the satellite constellation works without ground support - if things are in pandemic state, other issues will be more important - just think about what means you will need to protect your food supply from your hungry neighbors<a href="http://www.bigguitarshop.com/amps-84987"> daSVgrouch</a> 1) cell phones usually get assistance via the wireless network, so they may be challenged in acquiring GPS satellites
2) how long will GPS still work? accurately about 1/2 year – after a few days, the satellite constellation works without ground support – if things are in pandemic state, other issues will be more important – just think about what means you will need to protect your food supply from your hungry neighbors daSVgrouch

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