[time-nuts] tracking position & orientation
Poul-Henning Kamp
phk at phk.freebsd.dk
Sat Nov 23 07:22:18 UTC 2019
--------
In message <SN1PR07MB390174DFEF62F4BF054C814ACE480 at SN1PR07MB3901.namprd07.prod.outlook.com>, Mark Sims writes:
>NRCAN / csrs-ppp will do L1 only data. Typical results have errror ellipses in the 300-500 mm range.
Then your RINEX files must have some flaw in them.
NRCAN process both L1 and L2:
OBS G L1C L2C C1C C2C
I get horizongal uncertainties of around a centimenter and vertical around 2cm:
POS CRD SYST EPOCH A_PRIORI ESTIMATED DIFF SIGMA(95%) CORRELATIONS
POS X IGS14 19:301:62520 3558657.3400 3558658.2826 0.9426 0.0130 1.0000
POS Y IGS14 19:301:62520 713469.6500 713470.3210 0.6710 0.0081 0.3067 1.0000
POS Z IGS14 19:301:62520 5227269.8000 5227271.1311 1.3311 0.0133 0.8625 0.2978 1.0000
--
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.
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