Survey Identifier: A2096L02
Format Acronym: MGD77
Data Center File Number: 02020088
Parameters Surveyed Code: 55513
File Creation Date (yyyymmdd): 1982 717
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 ELIZABETH BUNCE
Survey Departure Date (yyyymmdd): 19770928
Port of Departure: ST GEORGES BERMUDA
Survey Arrival Date (yyyymmdd): 19771025
Port of Arrival: ST.GEORGES BERMUDA
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
Seismic Instrumentation: 40 + 80 CU.IN.AIRGUNS,SINGLE CHANNEL
Formats of Seismic Data: X-Y RECORDER RECORDS
Topmost Latitude of Survey: +33
Bottommost Latitude: +21
Leftmost Longitude: -065
Rightmost Longitude: -039
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=-.12MGAL/DAY BIAS=-5.5
Departure Base Station Gravity: 9798086
Departure Base Station Description: WHOI BASE STATION 919
Arrival Base Station Gravity: 9798090
Arrival Base Station Description: WHOI BASE STATION 920
Number of Data Records: 19635
Min/Max Data Record:
Date: 1977 09 28
Latitude: +21.14110
Longitude: -64.70160
Bathymetry, 2- Way Traveltime: 000725
Bathymetry, Corrected Depth: 54.0
Magnetics Total Field, 1st Sensor: 374110
Magnetics Residual Field: -08630
Observed Gravity: 9786819
Free-Air Anomaly: -0800
Min/Max Data Record:
Date: 1977 10 25
Latitude: +32.38861
Longitude: -39.56110
Bathymetry, 2- Way Traveltime: 083700
Bathymetry, Corrected Depth: 6371.0
Magnetics Total Field, 1st Sensor: 499060
Magnetics Residual Field: -00300
Observed Gravity: 9798213
Free-Air Anomaly: +3064