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SegyTraceHeader rev0/1 deifinitions done
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cultpenguin
@@ -71,11 +71,47 @@ STH_def["TraceNumber"]= {"pos": 12,"type":"int32"}
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STH_def["EnergySourcePoint"]= {"pos": 16,"type":"int32"}
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STH_def["cdp"]= {"pos": 20,"type":"int32"}
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STH_def["cdpTrace"]= {"pos": 24,"type":"int32"}
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# AND ADD THE REST....
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STH_def["TraceIdenitifactionCode"]={"pos":28 ,"type":"int16"} #'int16'); % 28
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STH_def["NSummedTraces"]={"pos":30 ,"type":"int16"} #'int16'); % 30
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STH_def["TraceIdenitifactionCode"]={"pos":28 ,"type":"uint16"} #'int16'); % 28
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STH_def["TraceIdenitifactionCode"]["descr"]={0:{
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1: "Seismic data",
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2: "Dead",
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3: "Dummy",
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4: "Time Break",
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5: "Uphole",
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6: "Sweep",
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7: "Timing",
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8: "Water Break"}}
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STH_def["TraceIdenitifactionCode"]["descr"][1]={
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-1: "Other",
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0: "Unknown",
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1: "Seismic data",
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2: "Dead",
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3: "Dummy",
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4: "Time break",
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5: "Uphole",
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6: "Sweep",
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7: "Timing",
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8: "Waterbreak",
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9: "Near-field gun signature",
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10: "Far-field gun signature",
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11: "Seismic pressure sensor",
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12: "Multicomponent seismic sensor - Vertical component",
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13: "Multicomponent seismic sensor - Cross-line component",
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14: "Multicomponent seismic sensor - In-line component",
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15: "Rotated multicomponent seismic sensor - Vertical component",
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16: "Rotated multicomponent seismic sensor - Transverse component",
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17: "Rotated multicomponent seismic sensor - Radial component",
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18: "Vibrator reaction mass",
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19: "Vibrator baseplate",
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20: "Vibrator estimated ground force",
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21: "Vibrator reference",
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22: "Time-velocity pairs"}
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STH_def["NSummedTraces"]={"pos":30 ,"type":"int16"} #'int16'); % 30
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STH_def["NStackedTraces"]={"pos":32 ,"type":"int16"} #'int16'); % 32
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STH_def["DataUse"]={"pos":34 ,"type":"int16"} #'int16'); % 34
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STH_def["DataUse"]["descr"]={0: {
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1: "Production",
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2: "Test"}}
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STH_def["DataUse"]["descr"][1]=STH_def["DataUse"]["descr"][0]
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STH_def["offset"]={"pos":36 ,"type":"int32"} #'int32'); %36
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STH_def["ReceiverGroupElevation"]={"pos":40 ,"type":"int32"} #'int32'); %40
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@@ -90,7 +126,15 @@ STH_def["SourceX"]={"pos":72 ,"type":"int32"} #'int32'); %72
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STH_def["SourceX"]={"pos":72 ,"type":"int32"} #'int32'); %72
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STH_def["SourceY"]={"pos":76 ,"type":"int32"} #'int32'); %76
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STH_def["GroupX"]={"pos":80 ,"type":"int32"} #'int32'); %80
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STH_def["CoordinateUnits"]={"pos":88 ,"type":"int16"} #'int16'); %88
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STH_def["GroupY"]={"pos":84 ,"type":"int32"} #'int32'); %84
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STH_def["CoordinateUnits"]={"pos":88 ,"type":"int16"} #'int16'); %88
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STH_def["CoordinateUnits"]["descr"]={1: {
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1: "Length (meters or feet)",
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2: "Seconds of arc"}}
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STH_def["CoordinateUnits"]["descr"][1]={
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1: "Length (meters or feet)",
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2: "Seconds of arc",
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3: "Decimal degrees",
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4: "Degrees, minutes, seconds (DMS)"}
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STH_def["WeatheringVelocity"]={"pos":90 ,"type":"int16"} #'int16'); %90
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STH_def["SubWeatheringVelocity"]={"pos":92 ,"type":"int16"} #'int16'); %92
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@@ -106,16 +150,39 @@ STH_def["MuteTimeEND"]={"pos":112 ,"type":"int16"} #'int16'); %112
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STH_def["MuteTimeEND"]={"pos":112 ,"type":"int16"} #'int16'); %112
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STH_def["ns"]={"pos":114 ,"type":"uint16"} #'uint16'); %114
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STH_def["dt"]={"pos":116 ,"type":"uint16"} #'uint16'); %116
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STH_def["GainType"]={"pos":119 ,"type":"int16"} #'int16'); %118
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STH_def["GainType"]["descr"]={0: {
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1: "Fixes",
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2: "Binary",
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3: "Floating point"}}
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STH_def["GainType"]["descr"][1]=STH_def["GainType"]["descr"][0]
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STH_def["InstrumentGainConstant"]={"pos":120 ,"type":"int16"} #'int16'); %120
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STH_def["Correlated"]={"pos":124 ,"type":"int16"} #'int16'); %124
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STH_def["InstrumentInitialGain"]={"pos":122 ,"type":"int16"} #'int16'); %%122
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STH_def["Correlated"]={"pos":124 ,"type":"int16"} #'int16'); %124
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STH_def["Correlated"]["descr"]={0: {
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1: "No",
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2: "Yes"}}
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STH_def["Correlated"]["descr"][1]=STH_def["Correlated"]["descr"][0]
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STH_def["SweepFrequenceStart"]={"pos":126 ,"type":"int16"} #'int16'); %126
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STH_def["SweepFrequenceEnd"]={"pos":128 ,"type":"int16"} #'int16'); %128
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STH_def["SweepLength"]={"pos":130 ,"type":"int16"} #'int16'); %130
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STH_def["SweepType"]={"pos":132 ,"type":"int16"} #'int16'); %132
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STH_def["SweepType"]["descr"]={0: {
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1: "linear",
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2: "parabolic",
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3: "exponential",
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4: "other"}}
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STH_def["SweepType"]["descr"][1]=STH_def["SweepType"]["descr"][0]
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STH_def["SweepTraceTaperLengthStart"]={"pos":134 ,"type":"int16"} #'int16'); %134
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STH_def["TaperType"]={"pos":138 ,"type":"int16"} #'int16'); %138
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STH_def["SweepTraceTaperLengthEnd"]={"pos":136 ,"type":"int16"} #'int16'); %136
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STH_def["TaperType"]={"pos":138 ,"type":"int16"} #'int16'); %138
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STH_def["TaperType"]["descr"]={0: {
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1: "linear",
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2: "cos2c",
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3: "other"}}
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STH_def["TaperType"]["descr"][1]=STH_def["TaperType"]["descr"][0]
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STH_def["AliasFilterFrequency"]={"pos":140 ,"type":"int16"} #'int16'); %140
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STH_def["AliasFilterSlope"]={"pos":142 ,"type":"int16"} #'int16'); %142
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@@ -130,17 +197,28 @@ STH_def["HourOfDay"]={"pos":160 ,"type":"int16"} #'int16'); %160
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STH_def["HourOfDay"]={"pos":160 ,"type":"int16"} #'int16'); %160
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STH_def["MinuteOfHour"]={"pos":162 ,"type":"int16"} #'int16'); %162
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STH_def["SecondOfMinute"]={"pos":164 ,"type":"int16"} #'int16'); %164
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STH_def["TimeBaseCode"]["descr"]={
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STH_def["TimeBaseCode"]={"pos":166 ,"type":"int16"} #'int16'); %166
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STH_def["TimeBaseCode"]["descr"]={0: {
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1: "Local",
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3:"Other",
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4:"UTC"}
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2: "GMT",
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3: "Other"}}
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STH_def["TimeBaseCode"]["descr"][1]={
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1: "Local",
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2: "GMT",
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3: "Other",
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4: "UTC"}
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STH_def["TraceWeightningFactor"]={"pos":168 ,"type":"int16"} #'int16'); %170
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STH_def["GeophoneGroupNumberRoll1"]={"pos":170 ,"type":"int16"} #'int16'); %172
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STH_def["GeophoneGroupNumberFirstTraceOrigField"]={"pos":172 ,"type":"int16"} #'int16'); %174
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STH_def["GeophoneGroupNumberLastTraceOrigField"]={"pos":174 ,"type":"int16"} #'int16'); %176
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STH_def["OverTravel"]={"pos":178 ,"type":"int16"} #'int16'); %178
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STH_def["GapSize"]={"pos":176 ,"type":"int16"} #'int16'); %178
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STH_def["OverTravel"]={"pos":178 ,"type":"int16"} #'int16'); %178
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STH_def["OverTravel"]["descr"]={0: {
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1: "down (or behind)",
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2: "up (or ahead)",
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3: "other"}}
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STH_def["OverTravel"]["descr"][1]=STH_def["OverTravel"]["descr"][0]
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STH_def["cdpX"]={"pos":180 ,"type":"int32"} #'int32'); %180
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STH_def["cdpY"]={"pos":184 ,"type":"int32"} #'int32'); %184
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@@ -148,9 +226,9 @@ STH_def["Crossline3D"]={"pos":192 ,"type":"int32"} #'int32'); %192
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STH_def["Crossline3D"]={"pos":192 ,"type":"int32"} #'int32'); %192
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STH_def["ShotPoint"]={"pos":192 ,"type":"int32"} #'int32'); %196
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STH_def["ShotPointScalar"]={"pos":200 ,"type":"int16"} #'int16'); %200
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STH_def["TraceValueMeasurementUnit"]["descr"] = {
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STH_def["TraceValueMeasurementUnit"]={"pos":202 ,"type":"int16"} #'int16'); %202
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STH_def["TraceValueMeasurementUnit"]["descr"] = {1: {
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0: "Unknown",
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-1: "Other",
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0: "Unknown (should be described in Data Sample Measurement Units Stanza) ",
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1: "Pascal (Pa)",
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2: "Volts (V)",
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@@ -159,24 +237,45 @@ STH_def["TraceValueMeasurementUnit"]["descr"] = {
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5: "Meters (m)",
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6: "Meters Per Second (m/s)",
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7: "Meters Per Second squared (m/&s2)Other",
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9: "Watt (W)"}
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8: "Newton (N)",
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9: "Watt (W)"}}
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STH_def["TransductionConstantMantissa"]={"pos":204 ,"type":"int32"} #'int32'); %204
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STH_def["TransductionUnit"]={"pos":210 ,"type":"int16"} #'int16'); %210
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STH_def["TransductionConstantPower"]={"pos":208 ,"type":"int16"} #'int16'); %208
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STH_def["TransductionUnit"]={"pos":210 ,"type":"int16"} #'int16'); %210
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STH_def["TransductionUnit"]["descr"] = STH_def["TraceValueMeasurementUnit"]["descr"]
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STH_def["TraceIdentifier"]={"pos":212 ,"type":"int16"} #'int16'); %212
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STH_def["SourceType"]={"pos":216 ,"type":"int16"} #'int16'); %216
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STH_def["ScalarTraceHeader"]={"pos":214 ,"type":"int16"} #'int16'); %214
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STH_def["SourceType"]={"pos":216 ,"type":"int16"} #'int16'); %216
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STH_def["SourceType"]["descr"] = {1: {
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-1: "Other (should be described in Source Type/Orientation stanza)",
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0: "Unknown",
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1: "Vibratory - Vertical orientation",
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2: "Vibratory - Cross-line orientation",
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3: "Vibratory - In-line orientation",
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4: "Impulsive - Vertical orientation",
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5: "Impulsive - Cross-line orientation",
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6: "Impulsive - In-line orientation",
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7: "Distributed Impulsive - Vertical orientation",
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8: "Distributed Impulsive - Cross-line orientation",
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9: "Distributed Impulsive - In-line orientation"}}
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STH_def["SourceEnergyDirectionMantissa"]={"pos":218 ,"type":"int32"} #'int32'); %218
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STH_def["SourceEnergyDirectionExponent"]={"pos":222 ,"type":"int16"} #'int16'); %222
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STH_def["SourceMeasurementMantissa"]={"pos":224 ,"type":"int32"} #'int32'); %224
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STH_def["SourceMeasurementUnit"]={"pos":230 ,"type":"int16"} #'int16'); %230
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STH_def["SourceMeasurementExponent"]={"pos":228 ,"type":"int16"} #'int16'); %228
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STH_def["SourceMeasurementUnit"]={"pos":230 ,"type":"int16"} #'int16'); %230
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STH_def["SourceMeasurementUnit"]["descr"] = {1: {
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-1: "Other (should be described in Source Measurement Unit stanza)",
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0: "Unknown",
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1: "Joule (J)",
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2: "Kilowatt (kW)",
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3: "Pascal (Pa)",
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4: "Bar (Bar)",
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4: "Bar-meter (Bar-m)",
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5: "Newton (N)",
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6: "Kilograms (kg)"}}
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STH_def["UnassignedInt1"]={"pos":232 ,"type":"int32"} #'int32'); %232
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STH_def["UnassignedInt2"]={"pos":236 ,"type":"int32"} #'int32'); %236
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##############
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# FUNCTIONS
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