B093  trippf093bcs2007 

Latitude  33.5937	Longitude  -116.7638  Elevation  1244  m
 
Install Date 2007-09-20 

Contents Of Tar files for year YYYY 
File                              Contents  
B093.YYYY.xml.gauge0.txt.gz       Processed data from gauge 0 (CH0) 
B093.YYYY.xml.gauge1.txt.gz       Processed data from gauge 1 (CH1) 
B093.YYYY.xml.gauge2.txt.gz       Processed data from gauge 2 (CH2) 
B093.YYYY.xml.gauge3.txt.gz       Processed data from gauge 3 (CH3) 
B093.YYYY.xml.Eee+Enn.txt.gz      Processed areal strain, manufacturer's calibration
B093.YYYY.xml.Eee-Enn.txt.gz      Processed differential strain, manufacturer's calibration
B093.YYYY.xml.2Ene.txt.gz         Processed engineering shear strain, manufacturer's calibration
some tars may contain the additional files
B093.YYYY.xml.Eee+Enn.ER2010.txt.gz      Processed areal strain, Roeloffs [2010], calibration
B093.YYYY.xml.Eee-Enn.ER2010.txt.gz      Processed differential strain, Roeloffs [2010], calibration
B093.YYYY.xml.2Ene.ER2010.txt.gz         Processed engineering shear strain, Roeloffs [2010], calibration

Description of Level 2 Borehole Strainmeter ASCII files.
Column 1        Description of data, gauge0, gauge1 etc
Column 2        Date, YYYY-MM-DDTHH:mm:ss
Column 3        Day of year
Column 4        Modified Julian Date
Column 5        Strain (microstrain). No offsets, trends, tides or barometric corrections have been applied.
Column 6        Running sum of offsets
Column 7        Strain data quality flag (g=good, b=bad, m=missing)
Column 8        Tidal correction (microstrain)
Column 9        Borehole trend correction (microstrain)
Column 10       Barometric pressure correction  (microstrain)
Column 11       Barometric pressure data quality flag (g=good, b=bad, m=missing, i=interpolated)
Column 12       Level, quality (2a= rapid processing, 2b=post processed)
Column 13       Version, data generation date
Column 14       Barometeric pressure (Kilo Pascals)

To produce strain data with offsets, tides, trends, tides and barometric pressure effect removed use
Final_Strain=Column5+Column6-Column8-Column9-Column10

Processing Information

Manufacturer:	GTSM Technologies
Manufacturer Gauge Scale Factor:	0.05 nanostrain per digital count 
Manufacturer Areal Scale Factor:	1.5
Manufacturer Shear Scale Factor:	3.0
Manufacturer Gauge Weightings:		CH0=1, CH1=1, CH2=1, CH3=1

CH0 Orientation recorded in field =  339  degrees east of north 
  
Borehole Trend Models, calculated in days, y=F+A1*exp(T1*t)+M*t+A2*exp(T2*t) 
Gauge		F	A1	T1	M	A2	T2
CH0	   7.800    -7.821   -0.00156  0.00579    0.000    0.00000
CH1	 -63.680   455.610   -0.00570 -0.00480    0.000    0.00000
CH2	  86.650   -133.590   -0.00420 -0.01060    0.000    0.00000
CH3	  69.230   -163.140   -0.00486 -0.01622    0.000    0.00000
Detrend reference date 2007-09-20T00:00:00 
 
Barometric Response
Gauge	Response(ns/millibar) 
CH0	-4.2
CH1	-4.2
CH2	-4.8
CH3	-4.0
  
Tidal Constituants
Gauge	Tide	Amp(ns)	Phase
CH0	M2	-74.6	3.6
CH0	K1	168.3	3.4
CH0	N2	-32.9	1.1
CH0	O1	-173.9	3.2
CH0	P1	177.5	1.6
CH0	S2	-99.4	0.9
CH1	M2	44.2	4.9
CH1	K1	-27.9	8.5
CH1	N2	77.5	1.0
CH1	O1	-16.1	7.6
CH1	P1	-9.1	4.0
CH1	S2	40.3	1.6
CH2	M2	169.4	6.1
CH2	K1	-175.5	2.9
CH2	N2	-179.3	2.0
CH2	O1	154.6	1.7
CH2	P1	71.5	0.7
CH2	S2	149.7	2.7
CH3	M2	-18.2	4.2
CH3	K1	160.2	1.3
CH3	N2	-30.2	0.9
CH3	O1	137.1	0.8
CH3	P1	64.7	0.8
CH3	S2	12.7	2.0
 
Strain Matrices To Compute Areal and Shear Strain from Gauge Strain
 
  Manufacturer's Isotropic Strain Matrix, C=1.5, D=3.0, Gauge Weights=1, Orientation =  339
    0.29629677    0.51851759    0.29629635    0.22222263
   -0.18938683    0.35224401    0.04848927   -0.21134644
   -0.34317325   -0.11444757    0.38895144    0.06866939
 
 
 
Fri Mar 29 00:25:39 MDT 2013