The NGS OPUS GPS processing system has two versions. OPUS-S is a static
version that processes long data sets (over 2 hours) using only three CORS base
stations. It calculates the three base lines and says you are in the middle of
where they land. They report the position error as the peak-p
"Mark Sims" wrote:
>>
>> My Ashtech Z12 system has located my g-spot to within 4mm lat/lon
>> and 27mm altitude.
I forwarded the full post to a good friend who knows a LOT about GPS and
herewith is his reply:
> The Z-12 is an excellent receiver and should determine lat. & lon.
> within 4 mm. He
-Original Message-
From: time-nuts-boun...@febo.com [mailto:time-nuts-boun...@febo.com] On Behalf
Of J. Forster
Sent: Wednesday, July 15, 2009 10:54 AM
To: time-nuts@febo.com
Subject: Re: [time-nuts] [Fwd: Accurate Thunderbolt position]
"Mark Sims" wrote:
>>
>>