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Download SounderSuite - USB Software User Manual
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KEL SEGY FORMAT USAGE DEFINITION 5 of 11 SEG-Y Rev 0 (1979) SEG-Y Rev1 (2002) KEL Usage Byte #s Specification Description Byte #s Specification Description Format Label Usage Description 030 - 031 Number of vertically summed traces yeilding this trace (1 = one trace, 2 = two, etc) 030 - 031 Number of vertically summed traces yeilding this trace (1 = one trace, 2 = two, etc) WORD vertical_sum set = 1 032 - 033 Number of horizontally stacked traces yeilding this trace (1 = one trace, 2 = two, etc) 032 - 033 Number of horizontally stacked traces yeilding this trace (1 = one trace, 2 = two, etc) WORD horizontal_sum set = 1 034 - 035 Data use: 034 - 035 Data use: WORD data_use unused 1=production 2=test 1=production 2=test 036 - 039 Distance from source point to receiver group (negative if opposite to direction in which line is shot) 036 - 039 Distance from source point to receiver group (negative if opposite to direction in which line is shot) DWORD source_receiver_dist unused 040 - 043 Receiver group elevation; all elevations are above sea-level are positive and below are negative 040 - 043 Receiver group elevation; all elevations are above sea-level are positive and below are negative DWORD receiver_elevation unused 044 - 047 Surface elevation at source 044 - 047 Surface elevation at source DWORD surface_elevation unused 048 - 051 Source depth below surface (positive number) 048 - 051 Source depth below surface (positive number) DWORD source_depth set = echosounder draft parameter 052 - 055 Datum elevation at receiver group 052 - 055 Datum elevation at receiver group DWORD datum_receiver_elevation unused 056 - 059 Datum elevation at source 056 - 059 Datum elevation at source DWORD datum_source_elevation unused 060 - 063 Water depth at source 060 - 063 Water depth at source DWORD water_depth_source digitized depth, as determined by the echosounder 064 - 067 Water depth at group 064 - 067 Water depth at group DWORD water_depth_group unused 068 - 069 Scaler to be applied to all elevations and depths in items 40-67 (hex) to give real values. 068 - 069 Scaler to be applied to all elevations and depths in items 40-67 (hex) to give real values. WORD scaler_1 set = -100 WORD scaler_2 set = -1000 070 - 071 Scaler = 1,+/- 10, +/- 100,+/- 1000, +/10000. Scaler = 1,+/- 10, +/- 100,+/- 1000, +/10000. If positive scaler used as multiplier, if negative scaler used as divisor. If positive scaler used as multiplier, if negative scaler used as divisor. Scaler to be applied to all coordinates in 72 87 (hex) to give the real values. (same as above) D101-03021-Rev2.2 070 - 071 Scaler to be applied to all coordinates in 72 87 (hex) to give the real values. (same as above)
