Subject: RE: after Delorme Atlases
Date: Aug 7 10:02:24 1997
From: Eric Henriksen - ehenriksen at complianceservices.com


On Thursday, August 07, 1997 9:48 AM, Rob Saecker
[SMTP:rsaecker at thurston.com] wrote:
> >
> >Have the military relaxed the civil specs for GPS units, or are they
still
> >limited to ~100m range accuracy?
> >
> > - Jack
>
> The limiting factor is not the units themselves, they are accurate to
> within about 3 meters, I believe. The 100m limit is the result of the
> military adding a "fuzz" factor to the signal from the satellite, so that
> the Russians, for instance, can't use our GPS data to target their
weapons.
> The amount of fuzz is varied continuously, but the U.S. military knows
what
> it is and can therefore correct for it for their uses.
>
> Rob Saecker
> Olympia
>

Yep, and Clinton proudly announced, what seems like a couple years ago,
that this distortion would be eliminated. Everyone was happy, but of
course, it hasn't happened yet...

Eric Henriksen
Gig Harbor