Synthetic GPS data with SNR = 5, spherical source, from COMSOL
Input data file: gpsDataFileNoiseSNR5.txt
X2v: 55.20
nLoops: 256

Source parameters
X0,Y0 : location [UTM]
Z0    : depth [m b.s.l.]
dP    : dimensionless pressure change
dV    : volume change (1E6 m^3)
X0 Y0 Z0 radius dP(-) dV
    4960     1829    293  250 -0.00969 -0.47544

Units for GPS: 
Site x y alt E model dE N model dN W model dW
 OLO1     4014     2805  1100 0.015 0.015 0.000 -0.015 -0.015 0.000 -0.017 -0.021 0.001
 OLO6     -954     5638  1100 0.006 0.002 0.000 -0.004 -0.001 0.000 0.001 -0.000 0.002
 OLO7     -182    -4051  1355 0.001 0.001 0.000 0.002 0.001 0.000 -0.004 -0.000 0.001
 OLO8     3640    -2775  1166 0.001 0.001 0.000 0.003 0.004 0.000 -0.002 -0.001 0.001
