SEGZ-parameters { #Comment - This header defines a normal SEGY file Name, Length,Description Textual-header, 3200, SEGY Rev(0) Default, length of character line header (bytes) File-header, 400, Length of binary line header (bytes) Trace-header, 240, Length of trace header (bytes) Trace-trailer, 0, Length of trace trailer, Normally not used } File-header-definition { Name, Byte,Type,Vector,Scalar,Addend,Description FILE_SAMP_RATE, 17,INT2,1,1,0,Sample Interval FILE_SAMP_NUM, 21,INT2,1,1,0,Number of data samples per trace or the maximum number of Samples TRACE_SAMP_FORMAT,25,INT2,1,1,0,Data sample format code 1=IBM floating point } Trace-header-definition { Name,Byte,Type,Vector,Scalar,Addend,Description ITRACE_LINE,1,INT4,1,1,0,Trace sequence no within line ITRACE_FILE,5,INT4,1,1,0,Trace sequence no within this file CDP,21,INT4,1,1,0,Ensemble no. (CDP CMP CRP etc) HORI_NSUM,33,INT2,1,1,0,No of horizontally summed traces in this trace SOURCE_HT,41,INT4,1,1,0,Surface elevation at source point CDP_X,73,INT4,1,1,0,X-coordinate of ensemble (CDP) for this trace CDP_Y,77,INT4,1,1,0,CPD coordinate (Y) SOURCE_POINT,53,IEEE4,1,1,0,Energy source point number (shot peg) }