[OSM-talk] military vs consumer GPS and the equator

[Hendrik Oesterlin]

"Frederik Ramm" frederik at remote.org wrote on 26/01/2011 at 09:45:29 +1100
subject "[OSM-talk] military vs consumer GPS and the equator" :

> Joe Richards wrote:
>> So essentially even the so-called 'scientific museum' was a sham/lie and 
>> the experiments they showed-off were made up.  The real equator is 
>> nearby, but not where they said it was.

> What, in your mind, is "the real equator"?

> The Karlsruhe Zoo, not far from where I live, has a brass marking for 
> the 49th parallel but your GPS will show that you're still 140 metres 
> away from it when you stand on the line - that's because the marking has
> been erected with reference to the Bessel ellipsoid and not the WGS84 one.

> Does that mean the brass line is a "sham" or a "lie"? No, it's just a 
> pleasant reminder that there is more to Geodesy than just reading 
> numbers off a device, be it "military" or "civilian".

> Bye
> Frederik

You are certainly right!!

-- 
Sincerely 
Hendrik Oesterlin - email hendrikmail2002 at yahoo.de