Comments on: eLoran Sparks Debate In Washington – Is It Truly Important? http://gcaptain.com/eloran-sparks-debate-loranc-gp/?8977 Wed, 08 Feb 2012 23:08:17 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: Vinny http://gcaptain.com/eloran-sparks-debate-loranc-gp/?8977#comment-20976 Vinny Thu, 25 Jun 2009 19:18:13 +0000 http://gcaptain.com/maritime/blog/?p=8977#comment-20976 I wouldn't worry too much about GPS. There are currently 32 operational satellites and only 24 are required for full global coverage. While having fewer operational satellites means less precise navigation information, even with only 24 satellites it will outperform LORAN and be plenty accurate enough for navigation.<br><br>I think the reason why the coast guard requires knowledge of terrestrial and celestial navigation has more to do with the potential for electronics systems on the ground to fail than their faith in the GPS system.<br><br>See: <a href="http://www.cringely.com/2009/05/waas-up/" rel="nofollow">http://www.cringely.com/2009/05/waas-up/</a> I wouldn't worry too much about GPS. There are currently 32 operational satellites and only 24 are required for full global coverage. While having fewer operational satellites means less precise navigation information, even with only 24 satellites it will outperform LORAN and be plenty accurate enough for navigation.

I think the reason why the coast guard requires knowledge of terrestrial and celestial navigation has more to do with the potential for electronics systems on the ground to fail than their faith in the GPS system.

See: http://www.cringely.com/2009/05/waas-up/

]]> By: Vinny http://gcaptain.com/eloran-sparks-debate-loranc-gp/?8977#comment-20648 Vinny Thu, 25 Jun 2009 12:18:13 +0000 http://gcaptain.com/maritime/blog/?p=8977#comment-20648 I wouldn't worry too much about GPS. There are currently 32 operational satellites and only 24 are required for full global coverage. While having fewer operational satellites means less precise navigation information, even with only 24 satellites it will outperform LORAN and be plenty accurate enough for navigation.<br><br>I think the reason why the coast guard requires knowledge of terrestrial and celestial navigation has more to do with the potential for electronics systems on the ground to fail than their faith in the GPS system.<br><br>See: <a href="http://www.cringely.com/2009/05/waas-up/" rel="nofollow">http://www.cringely.com/2009/05/waas-up/</a> I wouldn't worry too much about GPS. There are currently 32 operational satellites and only 24 are required for full global coverage. While having fewer operational satellites means less precise navigation information, even with only 24 satellites it will outperform LORAN and be plenty accurate enough for navigation.

I think the reason why the coast guard requires knowledge of terrestrial and celestial navigation has more to do with the potential for electronics systems on the ground to fail than their faith in the GPS system.

See: http://www.cringely.com/2009/05/waas-up/

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