Delta-t-V parameters :
Delta-t-V stack width : 120
Regression over offset stations : 5
Linear regression : 1
Median fit regression : 0
Weathering sub-layer count : 3
Maximum valid velocity : 6000
Output at every CMP : 1
Output at every 2nd CMP : 0

Delta-t-V static parameters :
No statics : 0
Surface consistent corrections : 1
CMP Gather datum plane specific corrections : 0
Take v0 from Station & Shotpoint editor : 0
Estimate v0 automatically, with weathering crossover : 1
Weathering crossover distance : 10
Topography smoothing filter width : 100
Inverse CMP offset power : 0.50

Delta-t-V export parameters :
Maximum velocity exported : 3000
Filter maximum velocity exported : 1
Export depth values as negative : 1
Reset too high velocities to maximum velocity exported : 1
Do not export too high velocities : 0
Export absolute elevations of velocities : 1
Export depth below topography, of velocities : 0
Gridding method (see \ray32\ref\gridding.txt) : 2

XTV parameters :
Modified Dix inversion for constant velocity layers : 0
Intercept time inversion for constant velocity layers : 0
Minimum velocity contrast for intercept time inversion : 1.25
Minimum velocity increase across modeled layer : 1
Multiple adjacent intercept time layer inversion : 0
Velocity step for previous intercept time layer : 0
Velocity step for current intercept time layer : 25
Prefer measured layer top velocity over inverted : 1

Export measured CMP velocities : 0
Export CMP x horizontal offset in meters : 1
Export Delta-t-V results in feet : 0

Mean of unsigned difference between measured and inverted velos : 2.56
Standard deviation of unsigned difference between velocities : 3.06

First horizontal offset, at topography : -9
Last horizontal offset, at topography : 305.25000
Profile start offset : 0
Maximum initial model elevation : 0
Minimum initial model elevation : -115
Maximum horizontal inline offset : 305.25000
Minimum horizontal inline offset : -9
Maximum Delta-t-V velocity : 3000
Minimum Delta-t-V velocity : 344.45000

Regard CMP as zero offset zero time trace : 1
Regard reduced offset zero as zero time trace : 1
Monotonically increasing layer bottom velocity : 0
Prefer average over minimum layer velocity : 1
Regard uphole picks for Delta-t-V inversion : 0

Grid file is flipped over : 0
Grid disk file name : D:\ray32\SAGEEP11\GRADTOMO\WETRUN2\VELOIT62.GRD
Grid file content type : WETVelocityGrid
Z data unit description : m/sec.

Taper velocity steps at layer interfaces : 0
Smooth CMP traveltime curves : 0
Weigh picks in stacked CMP curve : 0
Suppress velocity anomalies : 0
Process every CMP offset : 0
Rayfract(R) software version : 4.01
Output Smooth inversion results in feet : 0
Extend gradient model to cover uphole shots : 1
Constant-velocity initial model : 0
Lower gradient velocity : 0
Interpolate gradient velocity : 1
Extrapolate output to all receivers : 0
Wide CMP stack for 1D-gradient initial model : 0
Extrapolate tomogram over 5 stations : 0
Increase grid cell size : 0
Allow unsafe DeltatV inversion : 1

Wide smoothing filter for 1D initial velocity profile : 1
Extra-wide smoothing for 1D initial velocity profile : 0
Allow XTV inversion for 1D initial model : 0
Optimize XTV for layered starting model : 0
Strict shot position checking : 0
Extra-wide stack for 1D-gradient initial model : 0
Limit DeltatV velocity exported to maximum 1D-gradient velocity : 0
Limit DeltatV velocity exported to 5,000 m/s : 0
Decrease cell size : 0
Extra-small cell size : 0
Extra-large cell size : 1
No shot position checking : 0

Number of WET tomography iterations : 62
Central Ricker wavelet frequency [Hz] : 25
Degree of differentiation of Ricker wavelet : -1
Wavepath width [percent of one period] : 22
Envelope wavepath width [% of period] : 0
Maximum valid WET velocity [m/sec.] : 3500
Width of Gaussian for one period [sigma] : 3
Use Steepest Descent as gradient search method : 0
Use Conjugate Gradient as gradient search method : 1
Conjugate Gradient error tolerance : 0.001
Secant method error tolerance : 0.0010
Secant method step sigma0 : 0.10
Number of Secant method iterations per CG iteration : 3
Do Steepest Descent step in CG line search loop : 0
Number of Conjugate Gradient iterations : 15
Minimum valid WET velocity [m/sec.] : 10
Cosine-Squared weighting argument power a : 0.50
Cosine-Squared weighting function power b : 10

Initial velocity model grid file : D:\ray32\SAGEEP11\GRADTOMO\WETRUN2\RUN1IT62.GRD
Parameter file for initial model grid : D:\ray32\SAGEEP11\GRADTOMO\WETRUN2\RUN1IT62.PAR
Correct all velocities for Delta-t-V systematic error : 0
Correct basement velocities for Delta-t-V systematic error : 0
Allow gaps in coverage of velocity model grid columns : 0
Skip every second shot for forward modelling : 1

Full smoothing after each tomography iteration : 0
Minimal smoothing after each tomography iteration : 0
Manual specification of smoothing filter, see below : 1
Half smoothing filter width : 3
Half smoothing filter height : 2
Automatically adapt shape of rectangular filter matrix : 0
Maximum relative velocity update after each iteration, in percent of current velocity : 15
Smooth after each nth iteration only [n] : 30
Gaussian filter weighting : 0
Uniform filter weighting : 1
No smoothing : 0
Width of Gaussian used for filter : 1
Smooth both velocity update and tomogram after update : 0
Smooth velocity update for each nth iteration : 0
Smooth final tomogram in last WET iteration : 1
Central row weight for uniform filter : 100
Damping factor : 0.90
Damp before smoothing : 0

Delete traveltime grid files for last WET iteration : 1
Write wavepaths to disk for shot nr. : -1
Write misfit gradients to disk for shot nr. : -1
Write section velocity update grids after each iteration : 0
Write section coverage grids after each iteration : 1
Store each nth iteration only [n = ] : 50
Write grids after Line Search for Conjugate Gradient : 0

Scale WET smoothing filter height : 1
Beydoun weighting for borehole WET : 0
Precompute static Beydoun weight matrix : 0
Coverage grid shows unweighted hit count : 1
Update imaged grid depth : 1
Write grids for every WET iteration : 0
Scale WET wavepath width with picked time : 0
Blank low coverage after each WET iteration : 0
Blank low coverage after last WET iteration : 0
Blank below envelope after each WET iteration : 0
Blank below envelope after last WET iteration : 0
Interpolate missing coverage after last WET iteration : 0
Disable traveltime grid caching : 0
Enable AWE physical memory page caching : 0
Disable wavepath scaling for short profile : 0

Export modeled WET times to .LST : 0
Limit WET velocity to max. DeltatV velocity : 0
Limit WET velocity to 6,000 m/s : 0
Smooth velocity update before updating tomogram : 1
Allow user editing of maximum valid WET velocity : 1
Hybrid Conjugate Gradient update formula : 1
CG line search with bracketing and Brent's method : 0
More blanking at bottom of tomogram during CG WET : 0
Blank outside borehole tomogram : 0
Don't extrapolate grid rows : 0
Use full Steepest Descent step for Conjugate Gradient : 0
Edit grid cell size : 1
Don't reciprocally average modeled picks during WET inversion : 0
Don't blank tomogram above topography : 0
Blank no coverage areas at tomogram bottom after each iteration except last iteration : 0
Blank no coverage areas at tomogram bottom after last iteration : 0
Blank no coverage on top of borehole line tomogram : 0
Write blanked and mask grids : 0
Store modeled picks after last iteration only : 1
Don't write RMS errors to .STX : 0
Keep WET smoothing record in database : 0
Regard negative shot depth : 0

WET run parameters for run no.  1 :       25       30       12       20        0 
WET run parameters for run no.  2 :       25       22    8.800       20        0 
WET run parameters for run no.  3 :       25       16    6.400       20        0 
WET run parameters for run no.  4 :       25       10        4       20        0 
WET run parameters for run no.  5 :       25        7    2.800       20        0 
WET run parameters for run no.  6 :       25        5        2       20        0 
WET run parameters for run no.  7 :       25        4    1.600       20        0 
WET run parameters for run no.  8 :       25        3    1.200       20        0 
WET run parameters for run no.  9 :       25        2    0.800        0        1 
WET run parameters for run no. 10 :       25        1    0.400        0        1 
WET runs active : 1
Scale default widths : 0
Plot runs in Surfer : 1
Prompt run misfit : 0
Runs completed : 1
All runs completed : 0
Current run no. : 2
Resume current run : 1
Blank after each run : 0
Blank after last run : 0
Final velocity grid of previous run : D:\ray32\SAGEEP11\GRADTOMO\WETRUN1\VELOIT62.GRD
Starting model grid of current run : D:\ray32\SAGEEP11\GRADTOMO\WETRUN2\RUN1IT62.GRD
Starting model grid of first run : D:\ray32\SAGEEP11\GRADTOMO\GRADIENT.GRD
