Survey Identifier: WI343815


Format Acronym: MGD77
Data Center File Number: 09780026
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19800923
Source Institution: U.S. 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. LEG 17, 20
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19780307
Port of Departure: SINGAPORE
Survey Arrival Date (yyyymmdd): 19780427
Port of Arrival: SINGAPORE
Navigation Instrumentation: MX706 SATNAV
Geodetic Datum/Position: PRIM SATELLITE
Bathymetry Instrumentation: HARRIS 853-D 2-2/3 BEAM 12KHZ 1-SEC SWP
Additional Forms of Bathymetric Data: ANALOG, MICROFILM
Magnetics Instrumentation: PROTON PRECESSION MAG-GEOMETRICS
Additional Forms of Magnetics Data: ANALOG MICROFILM
Seismic Instrumentation: TELEDYNE 60KJ SPARKER 40-125 HZ 1-CHAN
Formats of Seismic Data: 10 AND 4 SEC ANALOG, MICROFILM
Topmost Latitude of Survey: +10
Bottommost Latitude: -18
Leftmost Longitude: +073
Rightmost Longitude: +107
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: 10-SEC
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: 6 VALUES USED TO COMPUTE 1-MIN AVERAGES
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 10
Magnetic Sensor Tow Distance: 0250
Reference Field Code: 03
Reference Field: IGRF-65
Method of Applying Residual Field: BASED ON COMPUTER DERIVED IGRF FOR EA 1-MIN POS
Additional Documentation: 3.5KHZ ANALOG PROFILES COLLECTED EDO 240 SYSTEM 1-SEC SWEEP, MICROFILMED, 10-SEC AND 4-SEC DELAYED SWEEP SEISMIC ANALOG PROFILES, 13 CORES TAKEN, 12 WABR SONOBVOY STATIONS, NO DATA 7-8 MARCH, 24-27 APRIL, STOP AT COLOMBO SRI LANKA ON 25 MAR, 22
Number of Data Records: 46571

Min/Max Data Record:
Date: 1978 03 09
Latitude: -17.08000
Longitude: -0.71166
Bathymetry, 2- Way Traveltime: 000933
Bathymetry, Corrected Depth: 70.0
Magnetics Total Field, 1st Sensor: 387405
Magnetics Residual Field: -08930
Free-Air Anomaly: +0000

Min/Max Data Record:
Date: 1978 04 24
Latitude: +9.97500
Longitude: +106.35666
Bathymetry, 2- Way Traveltime: 088053
Bathymetry, Corrected Depth: 6686.0
Magnetics Total Field, 1st Sensor: 503993
Magnetics Residual Field: +96070
Free-Air Anomaly: +0000