Survey Identifier: A2093L17
Format Acronym: MGD77
Data Center File Number: 02020082
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 1982 6 1
Source Institution: WOODS HOLE OCEANOGRAPHIC INSTITUTION
Country: U.S.A.
Platform Name: ATLANTIS II
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DR.PETER BREWER
Project: CRUISE 93, LEG 17
Funding: NSF
Survey Departure Date (yyyymmdd): 19770207
Port of Departure: KARACHI,PAKISTAN
Survey Arrival Date (yyyymmdd): 19770227
Port of Arrival: BANDAR ABBAS,IRAN
Navigation Instrumentation: 706 SATELLITE RECEIVER
Geodetic Datum/Position: SAT.MERGED WITH SHIP VELOCITY
Bathymetry Instrumentation: PRIM-3.5,SEC-12, WIDE BEAM 1 SEC.SWEEP
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: VARIAN PROTON-PRECESSION MAG.V-85
Additional Forms of Magnetics Data: ANALOG RECORDS, PUNCHED TAPE
Gravity Instrumentation: ARPA-1 VIBRATING STRING ACCELEROMETER
Additional Forms of Gravity Data: ANALOG RECORDS, PUNCHED TAPE
Topmost Latitude of Survey: +30
Bottommost Latitude: +16
Leftmost Longitude: +048
Rightmost Longitude: +067
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: ONE/SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5-MINUTES AND BREAK SLOPE
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 03
Magnetic Sensor Tow Distance: 250
Reference Field Code: 04
Reference Field: IGRF 1975
Method of Applying Residual Field: LINER INTERPOLATION WITHIN DEGREE SQUARE
General Digitizing Rate of Gravity: 050
General Sampling Rate of Gravity: 60
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IGA SYSTEM 1967
Reference System Code: 3
Reference System: IGSN 71
Corrections Applied: DRIFT=+.6MGAL/DAY BIAS=+230.9
Departure Base Station Gravity: 9780653
Departure Base Station Description: WHOI BASE STATION 910
Arrival Base Station Gravity: 9789971
Arrival Base Station Description: WHOI BASE STATION 913
Number of Data Records: 7838
Min/Max Data Record:
Date: 1977 02 07
Latitude: +16.54845
Longitude: +48.15980
Bathymetry, 2- Way Traveltime: 000125
Bathymetry, Corrected Depth: 9.0
Magnetics Total Field, 1st Sensor: 399410
Magnetics Residual Field: -07190
Observed Gravity: 9780000
Free-Air Anomaly: -1243
Min/Max Data Record:
Date: 1977 02 27
Latitude: +29.75026
Longitude: +66.75090
Bathymetry, 2- Way Traveltime: 053500
Bathymetry, Corrected Depth: 4027.0
Magnetics Total Field, 1st Sensor: 436530
Magnetics Residual Field: +00240
Observed Gravity: 9792588
Free-Air Anomaly: +2049