Survey Identifier: A2093L21
Format Acronym: MGD77
Data Center File Number: 02020086
Parameters Surveyed Code: 55011
File Creation Date (yyyymmdd): 1982 5 3
Source Institution: WOODS HOLE OCEANOGRAPHIC INSTITUTION
Country: U.S.A.
Platform Name: ATLANTIS II
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): EDWARD SCHEER
Project: CRUISE 93,LEG 21
Funding: NSF
Survey Departure Date (yyyymmdd): 19770430
Port of Departure: VALLETTA,MALTA
Survey Arrival Date (yyyymmdd): 19770521
Port of Arrival: WOODS HOLS U.S.A.
Navigation Instrumentation: 706 SATELLITE RECEIVER
Geodetic Datum/Position: SAT MERGRD WITH SHIP VELOCITY
Bathymetry Instrumentation: PRIM-3,SEC-12,WIDE BEAM I SEC
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: VARIAN PROTON-PRECESSION MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG RECORDS,PUNCHED TAPES
Gravity Instrumentation: ARPA VIBRATING STRING ACCELEROMTER
Additional Forms of Gravity Data: ANALOG RECORDS,PUNCHED TAPES
Topmost Latitude of Survey: +42
Bottommost Latitude: +22
Leftmost Longitude: -072
Rightmost Longitude: +015
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: IAG SYSTEM 1967
Reference System Code: 3
Reference System: IGSN 71
Corrections Applied: DRIFT=+44MGAL/DAY BIAS=+246.7
Departure Base Station Gravity: 9798719
Departure Base Station Description: WHOI BASE STATION 915
Arrival Base Station Gravity: 9803121
Arrival Base Station Description: WHOI BASE STATION 317
Number of Data Records: 15362
Min/Max Data Record:
Date: 1977 04 30
Latitude: +22.98900
Longitude: -71.02540
Bathymetry, 2- Way Traveltime: 000350
Bathymetry, Corrected Depth: 26.0
Magnetics Total Field, 1st Sensor: 362990
Magnetics Residual Field: -08340
Min/Max Data Record:
Date: 1977 05 21
Latitude: +41.24500
Longitude: +14.51060
Bathymetry, 2- Way Traveltime: 081250
Bathymetry, Corrected Depth: 6180.0
Magnetics Total Field, 1st Sensor: 557770
Magnetics Residual Field: +10330