Survey Identifier: C1101
Format Acronym: MGD77
Data Center File Number: 01010044
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19890706
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: ROBERT D. CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): D. HAYES
Project: CRUISE 11, LEG 1
Survey Departure Date (yyyymmdd): 19661201
Port of Departure: PIERMONT, NEW YORK
Survey Arrival Date (yyyymmdd): 19661222
Port of Arrival: RECIFE,BRAZIL
Navigation Instrumentation: SATELLITE
Geodetic Datum/Position: SATELLITE /DEAD RECKONING
Bathymetry Instrumentation: 06-3.5 AND 12 KHZ, WIDE BEAM (60 DEG)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG PRORN PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Seismic Instrumentation: L-DGO 25CU-IN-AIRGUN,EEL, DRUM RECORDER
Formats of Seismic Data: TWO, 2-CHANNEL SHEET RECORDS
Topmost Latitude of Survey: +41
Bottommost Latitude: -08
Leftmost Longitude: -075
Rightmost Longitude: -033
General Digitizing Rate of Bathymetry: 060
General Sampling Rate of Bathymetry: ONE SECOND
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: NONE
General Digitizing Rate of Magnetics: 55
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV PTS
Theoretical Gravity Formula Code: I
Theoretical Gravity Formula: 2
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: ---
Number of Data Records: 5353
Min/Max Data Record:
Date: 1966 12 01
Latitude: -7.92000
Longitude: -74.07830
Bathymetry, 2- Way Traveltime: 000400
Bathymetry, Corrected Depth: 30.0
Magnetics Total Field, 1st Sensor: 274620
Magnetics Residual Field: -02140
Min/Max Data Record:
Date: 1966 12 22
Latitude: +40.65670
Longitude: -33.37580
Bathymetry, 2- Way Traveltime: 080075
Bathymetry, Corrected Depth: 6087.0
Magnetics Total Field, 1st Sensor: 562980
Magnetics Residual Field: +03570