Le 10/05/2012 15:51, Jim Lux a écrit :
On 5/10/12 6:42 AM, mike cook wrote:
A man with only one GPS ........
Surveys from different receivers I have. All taken at the same height
from prolonged surveys. WGS84 datum.
Oncore UT+ A 207,62m
Oncore UT+ B 209,24m
Z3801A 180,72m
Oncore VP A 229,95m
TBolt 207.00m
That's a pretty big variation (10s of meters), a lot more than I'd
expect (I'd expect variations more like the difference between the two
UT+s and the Tbolt).
I wonder what about the VP and Z3801 fixes pushes them so far away.
May have an explanation for the Z3801A fix. I have just seen in my
notes that the Z3801A was displaying MSL and not WGS84 .
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