Survey Identifier: WI343728
Format Acronym: MGD77
Data Center File Number: 09780024
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19800919
Source Institution: US NAVAL OCEANOGRAPHIC OFFICE
Country: USA
Platform Name: USNS WILKES
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NAVOCEANO CODE 7220
Project: I.O. TRACK 3, TRACK 4, TRACK 5
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19770603
Port of Departure: PORT LOUIS, MAURITIUS
Survey Arrival Date (yyyymmdd): 19770831
Port of Arrival: PORT LOUIS, MAURITIUS
Navigation Instrumentation: MX706 SATNAV
Geodetic Datum/Position: PRIM SATELLITE
Bathymetry Instrumentation: HARRIS 853-D-2/3 BEAM 12KHZ 1-SEC SW
Additional Forms of Bathymetric Data: ANALOG
Magnetics Instrumentation: PROTON PRECESSION MAG-GEOMETRICS
Additional Forms of Magnetics Data: ANALOG
Seismic Instrumentation: TELEDYNE 90KJ SPARKER 31-160 HZ 1-CHAN
Formats of Seismic Data: ANALOG
Topmost Latitude of Survey: +03
Bottommost Latitude: -22
Leftmost Longitude: +039
Rightmost Longitude: +067
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: EVERY 10 SEC
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: DATA AVERAGED TO OBTAIN 1-MINUTE AVERAGE VALUES
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 10
Magnetic Sensor Tow Distance: 245+
Reference Field Code: 03
Reference Field: IGRF-65
Additional Documentation: 3.5KHZ ANALOG PROFILES COLLECTED-EPO 240 SYSTEM, 10-SEC AND 4-SEC DELAYED SWEEP SEISMIC ANALOG RECORDS, IN PORT AT VICTORIA, MAHE ISLAND, SEYCHELLES 5-9 AUG, 1977, 770625-770714 MOMBASA, KENYA AND 770727-770730 MOMBASA, KENYA
Number of Data Records: 65501
Min/Max Data Record:
Date: 1977 06 05
Latitude: -21.39000
Longitude: +39.82833
Bathymetry, 2- Way Traveltime: 001480
Bathymetry, Corrected Depth: 111.0
Magnetics Total Field, 1st Sensor: 300000
Magnetics Residual Field: -09580
Free-Air Anomaly: +0000
Min/Max Data Record:
Date: 1977 08 30
Latitude: +2.53166
Longitude: +66.96000
Bathymetry, 2- Way Traveltime: 072293
Bathymetry, Corrected Depth: 5462.0
Magnetics Total Field, 1st Sensor: 500000
Magnetics Residual Field: +96890
Free-Air Anomaly: +0000