Survey Identifier: C9B11
Format Acronym: MGD77
Data Center File Number: 01010030
Parameters Surveyed Code: 55533
File Creation Date (yyyymmdd): 19890626
Source Institution: LAMONT-DOHERTY GEOLOGICAL OBSERVATORY
Country: USA
Platform Name: ROBERT D. CONRAD
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): M. EWING
Project: CRUISE 09, LEG11B
Survey Departure Date (yyyymmdd): 19650714
Port of Departure: PORT SAID, EGYPT
Survey Arrival Date (yyyymmdd): 19650726
Port of Arrival: NAPLES, ITALY
Bathymetry Instrumentation: (SEE ADD DOC / 18)
Additional Forms of Bathymetric Data: ANALOG RECORDS
Magnetics Instrumentation: L-DGO MFG PROTON-PRECESSION
Additional Forms of Magnetics Data: ANALOG RECORDS
Gravity Instrumentation: ANSCHUTZ ELECTRICTABLE, ASKANIA GSS2-6
Additional Forms of Gravity 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: +31
Leftmost Longitude: +013
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: 52
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: LINEAR INTERPOLATION BETWEEN NAV PTS
General Digitizing Rate of Gravity: 52
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Reference System Code: 2
Reference System: POTSDAM
Additional Documentation: 06- 3.5 AND 12 KHZ, WIDE BEAM (60 DEG), 1 SECOND SWEEP
Number of Data Records: 3181
Min/Max Data Record:
Date: 1965 07 14
Latitude: +31.32830
Longitude: +13.45170
Bathymetry, 2- Way Traveltime: 000125
Bathymetry, Corrected Depth: 9.0
Magnetics Total Field, 1st Sensor: 426070
Magnetics Residual Field: -05130
Free-Air Anomaly: -2469
Min/Max Data Record:
Date: 1965 07 26
Latitude: +40.73330
Longitude: +32.52330
Bathymetry, 2- Way Traveltime: 059875
Bathymetry, Corrected Depth: 4630.0
Magnetics Total Field, 1st Sensor: 451640
Magnetics Residual Field: +06790
Free-Air Anomaly: +1030