Survey Identifier: A2096L01
Format Acronym: MGD77
Data Center File Number: 02020087
Parameters Surveyed Code: 55530
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.ELIZABETH BUNCE
Project: CRUISE 96,LEG 1
Funding: ONR,NSF,MIT,LDGO
Survey Departure Date (yyyymmdd): 19770914
Port of Departure: WOODS HOLE U.S.A.
Survey Arrival Date (yyyymmdd): 19770926
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.AIRGUN,SINGLE CHANNEL
Formats of Seismic Data: X-Y RECORDER RECORDS
Topmost Latitude of Survey: +42
Bottommost Latitude: +32
Leftmost Longitude: -075
Rightmost Longitude: -063
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=+.17MGAL/DAY BIAS=-7.6
Departure Base Station Gravity: 9803120
Departure Base Station Description: WHOI BASE STATION 317/603
Arrival Base Station Gravity: 9798086
Arrival Base Station Description: WHOI BASE STATION 919
Number of Data Records: 6848
Min/Max Data Record:
Date: 1977 09 14
Latitude: +31.99539
Longitude: -74.05090
Bathymetry, 2- Way Traveltime: 000100
Bathymetry, Corrected Depth: 7.0
Magnetics Total Field, 1st Sensor: 495910
Magnetics Residual Field: -08210
Observed Gravity: 9795202
Free-Air Anomaly: -0613
Min/Max Data Record:
Date: 1977 09 26
Latitude: +41.52396
Longitude: -63.24380
Bathymetry, 2- Way Traveltime: 071150
Bathymetry, Corrected Depth: 5396.0
Magnetics Total Field, 1st Sensor: 541200
Magnetics Residual Field: -03580
Observed Gravity: 9803124
Free-Air Anomaly: +0231