Survey Identifier: A2093L14


Format Acronym: MGD77
Data Center File Number: 02020079
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 1982 525
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.JAMES HEIRTZLER
Project: CRUISE 93,LEG 14
Funding: NSF
Survey Departure Date (yyyymmdd): 19761029
Port of Departure: DARWIN,AUSTRALIA
Survey Arrival Date (yyyymmdd): 19761126
Port of Arrival: SINGAPORE,MALAYSIA
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: +02
Bottommost Latitude: -17
Leftmost Longitude: +103
Rightmost Longitude: +131
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=+.45MGAL/DAY BIAS=+180.9
Departure Base Station Gravity: 9783035
Departure Base Station Description: WHOI BASE STATION 907
Arrival Base Station Gravity: 9780653
Arrival Base Station Description: WHOI BASE STATION 910
Number of Data Records: 15741

Min/Max Data Record:
Date: 1976 10 29
Latitude: -16.70027
Longitude: +103.88690
Bathymetry, 2- Way Traveltime: 000225
Bathymetry, Corrected Depth: 17.0
Magnetics Total Field, 1st Sensor: 443360
Magnetics Residual Field: -06750
Observed Gravity: 9779567
Free-Air Anomaly: -1622

Min/Max Data Record:
Date: 1976 11 26
Latitude: +1.36135
Longitude: +130.79310
Bathymetry, 2- Way Traveltime: 097700
Bathymetry, Corrected Depth: 7445.0
Magnetics Total Field, 1st Sensor: 506940
Magnetics Residual Field: +09820
Observed Gravity: 9785098
Free-Air Anomaly: +1703