Survey Identifier: IIOECGS
Format Acronym: MGD77
Data Center File Number: 03010016
Parameters Surveyed Code: 55530
File Creation Date (yyyymmdd): 19800212
Source Institution: NOAA/ US COAST AND GEODETIC SURVEY
Country: USA
Platform Name: PIONEER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DR. H. B. STEWART, JR.(LEG B-E)
Project: INT'L INDIAN OCEAN EXPEDITION OPR 442
Funding: NOAA
Survey Departure Date (yyyymmdd): 1964
Port of Departure: SAN FRANCISCO
Survey Arrival Date (yyyymmdd): 19640811
Port of Arrival: SAN FRANCISCO
Navigation Instrumentation: LORAN-A/ LORAN-C
Geodetic Datum/Position: RADAR, CELESTIAL, VIS. AND MEAS. BEARI
Bathymetry Instrumentation: EDO-ECHO SOUNDER/TIMEFAX PDR/RAYTHEON
Magnetics Instrumentation: VARIAN PROTON-PRECESSION MAGNETOMETER
Gravity Instrumentation: LACOSTE-ROMBERG AIR-SEA GRAVITY METER
Seismic Instrumentation: RAYFLEX SPARKER-20,000 J. ELECTRIC SPARK
Formats of Seismic Data: STRIP CHART, MAGNETIC TAPE
Topmost Latitude of Survey: +24
Bottommost Latitude: -09
Leftmost Longitude: +079
Rightmost Longitude: -158
General Digitizing Rate of Bathymetry: 92
General Digitizing Rate of Magnetics: 93
General Sampling Rate of Magnetics: 06
Magnetic Sensor Tow Distance: 152
General Digitizing Rate of Gravity: 104
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Corrections Applied: DRIFT, EOTVOS
Additional Documentation: LEG A:640211-640222,SANFRANCISCO-HONOLULU LEG H:640711-640717 PALAU-GUAM, LEG B:640225-640310 HONOLULU-MANILA LEG I:640719-640738 GUAM-HONOLULU, LEG C:640316-640323 MANILA-SINGAPORE LEG J:640804-640811 HONO.-SANFRAN. LEG D:640327-640425 SINGAPORE-CALCUTTA LEG E:640522-640519 CALCUTTA-COLOMBO, LEG F:640525-640623 COLOMBO-DJAKARTA LEG G:640628-640709 DJAKARTA-PALAU, GRAVITY ANOMALY SIGNS REPAIRED, FEBRUARY 3, 1998.
Number of Data Records: 23000
Min/Max Data Record:
Date: 1964 02 26
Latitude: -8.97830
Longitude: -179.99000
Bathymetry, Corrected Depth: 11.0
Magnetics Total Field, 1st Sensor: 330770
Magnetics Residual Field: -10490
Observed Gravity: 9778190
Free-Air Anomaly: -3540
Min/Max Data Record:
Date: 1964 07 30
Latitude: +23.45000
Longitude: +179.99830
Bathymetry, Corrected Depth: 9949.0
Magnetics Total Field, 1st Sensor: 555550
Magnetics Residual Field: +94780
Observed Gravity: 9789120
Free-Air Anomaly: +2330