[time-nuts] Positional accuracy of the M12+T

[Poul-Henning Kamp]

In message <tclpp21ov2sg7gt15qu13gi8lugb4sm60b at 4ax.com>, Rex writes:
>On Thu, 04 Jan 2007 10:07:11 +0000, "Poul-Henning Kamp"
><phk at phk.freebsd.dk> wrote:
>
>>>You say, "the ellipsoide actually isn't one".  I don't understand what
>>>that might mean. Care to elaborate?
>>
>>It is not an ellipsoide, it is some other weird ballon-animal shape.
>>
>
>So, I think the ellipsoid is our best way of describing the rotational
>approximation of the world vs a simple sphere. I guess you are saying
>that the real shape of the world differs more in your area than in most
>of the rest of the world from the ellipsoide model. Is that a correct
>interpretation?

Not the world, the envelope of uncertainty on the GPS position fix.

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.