NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: sextant without paper charts
From: Lu Abel
Date: 2008 Nov 11, 10:11 -0800
From: Lu Abel
Date: 2008 Nov 11, 10:11 -0800
SPS - Standard Positioning Service -- the ones we civilians get.
Accuracy 15 meters
PPS - Precise Positioning Service -- encrypted signal only for the US military, accuracy 2 meters.
Sounds like Scott was flying something with a US military logo on it...
Bill wrote:
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PPS - Precise Positioning Service -- encrypted signal only for the US military, accuracy 2 meters.
Sounds like Scott was flying something with a US military logo on it...
Bill wrote:
Scott Owen wrote:I could receive both SPS and PPS signals so I always knew my position very accurately.For those of us--at least me--that lug around a sextant and hand-held GPS, could you go into more detail on the meaning of "SPS and PPS signals?" Thanks Bill B.
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