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BRIB
Automatic Processing

Summary Info

Data

Plot (.ps)

Plot (.gmt)

North America fixed

ITRF2000

Regionally filtered

Cleaned/Detrended

SFBayArea home

USGS Campaign list

Stationinfo (field logs, photos,etc.)

BRIB
Regionally filtered


Segment: 0 No-of-obs-used: 3108
Vel(mm/a) Vel-sig(mm/a) RMS(mm) StdDevObsUnitWt Vel-XYZ(mm/a):
N: 17.1 0.3 2.20 0.70 -9.6
E: -13.9 0.3 2.66 0.74 11.0
U: 8.0 0.3 111.91 9.50 18.4
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

Red points are positions determined using final orbits
Blue points are positions determined using preliminary orbits
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)