[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
GPS error
Indeed, and...
You can have the new ones constantly re-sample
to compensate (to a degree) for this built in error.
cheers,
Bill Edwards
Survey Research Laboratory
Arizona State University
http://www.public.asu.edu/~bedwards/bille.htm
> -----Original Message-----
> From: Bone99Thug at AOL_COM [mailto:Bone99Thug at AOL_COM]
> Sent: Monday, December 14, 1998 1:53 PM
> To: killietalk at aka_org
> Subject: Re: N. albimarginatus -Reply
>
>
> Sorry if you already know this...
> GPS systems use 3 sattelites from a system of sattelites to
> triangulate the
> coordinates of the GPS on the earth. The United States
> government (army
> actually) has control of the satelites used to do this with.
> To provide
> security, all units other than government units are forced to
> variate the
> readings to a 30-yard radius. I always thought this didnt
> make sense because
> with todays weapons, 30 yard is no big deal, but it gives
> enough protection to
> them to provide a little more comfert I guess. Anyways, I
> dont know the
> relevance of this to what is being talked about, I am new to
> the list. I just
> thought I would share my knowledge (hopefully someone has not
> shared the same
> knowledge!!!)
> Jordan
> Bone99Thug at aol_com
> http://members.tripod.com/bettas
>