Survey Identifier: C1707
Format Acronym: MGD77
Data Center File Number: 01010126
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19931122
Source Institution: Lamont-Doherty Geological Observatory
Country: United States
Platform Name: R/V Conrad
Platform Type Code: 1
Platform Type: ship
Chief Scientist(s): Thomas Aitken
Project: c1707
Survey Departure Date (yyyymmdd): 19740517
Port of Departure: Port Louis, Mauritius
Survey Arrival Date (yyyymmdd): 19740617
Port of Arrival: Goa, India
Navigation Instrumentation: sat
Geodetic Datum/Position: dr
Bathymetry Instrumentation: 3.5 khz PDR and 12 khz PDR
Additional Forms of Bathymetric Data: paper
Magnetics Instrumentation: proton precession
Additional Forms of Magnetics Data: paper records
Gravity Instrumentation: Graf-Askania GSS2
Additional Forms of Gravity Data: paper records
Topmost Latitude of Survey: +23
Bottommost Latitude: -21
Leftmost Longitude: +055
Rightmost Longitude: +074
General Digitizing Rate of Bathymetry: 066
General Sampling Rate of Bathymetry: contineous
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 0
Interpolation Scheme: none
General Digitizing Rate of Magnetics: 056
Reference Field Code: 4
Reference Field: IGRF-75
General Digitizing Rate of Gravity: 115
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: 1930
Reference System Code: 2
Reference System: Potsdam
Number of Data Records: 12401
Min/Max Data Record:
Date: 1974 05 17
Latitude: -20.07933
Longitude: +55.91597
Bathymetry, 2- Way Traveltime: 000476
Bathymetry, Corrected Depth: 36.0
Magnetics Total Field, 1st Sensor: 358500
Magnetics Residual Field: -08325
Observed Gravity: 9779738
Free-Air Anomaly: -0716
Min/Max Data Record:
Date: 1974 06 17
Latitude: +22.88890
Longitude: +73.71249
Bathymetry, 2- Way Traveltime: 064826
Bathymetry, Corrected Depth: 4885.0
Magnetics Total Field, 1st Sensor: 435350
Magnetics Residual Field: +02492
Observed Gravity: 9788678
Free-Air Anomaly: +0687