[time-nuts] tracking position & orientation

Poul-Henning Kamp phk at phk.freebsd.dk
Sat Nov 23 07:22:18 UTC 2019


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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
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