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CHAS
Network Processing

Observed data

Summary Info

Data

Plot (.ps)

Plot (.gmt)

QOCA (1) data


Segment: 0 No-of-obs-used: 6
Vel(mm/a) Vel-sig(mm/a) RMS(mm) StdDevObsUnitWt Vel-XYZ(mm/a):
N: 5.2 1.4 3.41 0.71 5.7
E: 6.3 1.9 6.49 1.15 -2.9
U: 4.3 4.8 10.10 0.63 6.7
Error bars are plus/minus one standard deviation
Error bars on individual observations = formal-error x scale-factor.
Currently the scale-factors are: N:3.0, E:4.0, U:3.0
Vel-stddev = sqrt(WN**2+RW**2)
where WN is a white noise contribution from propagating the error bars on the observations
and RW is a random walk contribution (= a*sqrt(timespan)/timespan where a is 0.001 m/yr**1/2)