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[DPRG] Long Haul Way Points
Subject: [DPRG] Long Haul Way Points
From: Ed Okerson
ed at okerson.com
Date: Sun Sep 17 14:19:23 CDT 2006
John,
Great info.
This last table (reformatted) seems to show that for those of us with
consumer grade receivers, we should expect errors of up to 25 feet. For
points 2 and 4 that could put the robot in the pond.
Ed
> Long Haul Way points in rectangular coordinates (summary)
>
>
> Point 1
>
> Receiver Collection time E-W Deviation N-S Deviation
>
> (seconds) (feet) (feet) (feet) (feet)
> Star Fire 771.2 164.1309 0.3194 -258.6005 1.3350
> Raven 729.6 164.3695 2.6295 -268.8895 6.3209
> Kip's 759.0 146.1391 0.0000 -233.3571 0.0000
>
>
> Point 2
>
> Receiver Collection time E-W Deviation N-S Deviation
>
> (seconds) (feet) (feet) (feet) (feet)
> Star Fire 680.4 119.2676 1.5110 -129.4114 0.8281
> Raven 643.2 115.9984 2.0145 -130.5929 2.2527
> Kip's 602.0 110.7913 0.0000 -120.7853 0.0000
>
>
> Point 3
>
> Receiver Collection time E-W Deviation N-S Deviation
>
> (seconds) (feet) (feet) (feet) (feet)
> Star Fire 859.8 -56.6373 2.6367 -76.9276 3.6471
> Raven 775.6 -55.3822 3.7687 -64.0062 16.9913
> Kip's 852.0 -45.9688 0.0000 -60.2628 0.0000
>
>
> Point 4
>
> Receiver Collection time E-W Deviation N-S Deviation
>
> (seconds) (feet) (feet) (feet) (feet)
> Star Fire 707.4 0.0000 0.2165 0.0000 0.0623
> Raven 674.0 -3.3526 0.7122 2.8582 0.3775
> Kip's 753.0 20.1163 0.0000 -13.0553 0.0000
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