Survey Identifier: DI109L2


Format Acronym: MGD77
Data Center File Number: 19100021
Parameters Surveyed Code: 51511
File Creation Date (yyyymmdd): 19850131
Source Institution: INSTITUTE OF OCEANOGRAPHIC SCIENCES, UK
Country: UNITED KINGDOM
Platform Name: DISCOVERY
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): A. STRIDE, PROF G.WESTBROOK
Project: DISCOVERY CRUISE 109 LEG 2
Funding: N.E.R.C.
Survey Departure Date (yyyymmdd): 19800328
Port of Departure: BARBADOS
Survey Arrival Date (yyyymmdd): 19800417
Port of Arrival: PANAMA
Navigation Instrumentation: MAGNAVOX SATELLITE NAVIGATOR
Geodetic Datum/Position: PRIM-SAT PLUS DEAD RECKONING
Bathymetry Instrumentation: PRECISION ECHO SOUNDER - IOS MK 3
Additional Forms of Bathymetric Data: ANALOGUE
Gravity Instrumentation: LACOSTE AND ROMBERG S84
Additional Forms of Gravity Data: ANALOGUE
Topmost Latitude of Survey: +17
Bottommost Latitude: +09
Leftmost Longitude: -081
Rightmost Longitude: -057
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: 2/SEC
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Gravity: 20
Additional Documentation: CONTACT PROF G. WESTBROOK UNIVERSITY OF BIRMINGHAM ENGLAND FOR GRAVITY BASES, AND INSTRUMENTATION
Number of Data Records: 14192

Min/Max Data Record:
Date: 1980 03 28
Latitude: +9.39650
Longitude: -80.52550
Bathymetry, Corrected Depth: 60.0
Free-Air Anomaly: -2460

Min/Max Data Record:
Date: 1980 04 17
Latitude: +16.21820
Longitude: -57.13950
Bathymetry, Corrected Depth: 5957.0
Free-Air Anomaly: +1600