Survey Identifier: SI933007
Format Acronym: MGD77
Data Center File Number: 09030015
Parameters Surveyed Code: 55133
File Creation Date (yyyymmdd): 19791123
Source Institution: US NAVAL OCEANOGRAPHIC OFFICE
Country: USA
Platform Name: USNS BENT
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NAVOCEANO 3432
Project: PHASE 2,2A,3.
Funding: NAVOCEANO
Survey Departure Date (yyyymmdd): 19730210
Port of Departure: SAN DIEGO
Survey Arrival Date (yyyymmdd): 19730429
Port of Arrival: SAN DIEGO
Navigation Instrumentation: MX 706 SATNAV, SPN 38 L/C
Geodetic Datum/Position: PRIM-SATELLITE
Bathymetry Instrumentation: HARRIS 853-D 2-2/3 BEAM 12KHZ 1SEC SW
Additional Forms of Bathymetric Data: ANALOG
Magnetics Instrumentation: VARIAN PROTON PRECESSION MAG
Additional Forms of Magnetics Data: ANALOG
Seismic Instrumentation: TELEDYNE 90KJ SPARKER 31-160HZ 1 CHAN
Formats of Seismic Data: ANALOG
Topmost Latitude of Survey: +32
Bottommost Latitude: -01
Leftmost Longitude: -119
Rightmost Longitude: -079
General Digitizing Rate of Bathymetry: 010
General Sampling Rate of Bathymetry: EVERY 10 SEC
Assumed Sound Velocity: 05000
Bathymetric Datum Code: 00
Interpolation Scheme: DATA AVERAGDED TO OBTAIN 1-MINUTE VALUES
General Digitizing Rate of Magnetics: 010
General Sampling Rate of Magnetics: 01
Magnetic Sensor Tow Distance: 245+
Reference Field Code: 03
Reference Field: IGRF-65
Additional Documentation: 3.5KHZ ANALOG PROFILES EDO 240 SYSTEM, 10 SEC AND 4 SEC DELAYED SWEEP SEISMIC ANALOG PROFILE, IN PORTACAPULCO 730305-730309
Number of Data Records: 13878
Min/Max Data Record:
Date: 1973 02 10
Latitude: -0.01833
Longitude: -118.96833
Bathymetry, 2- Way Traveltime: 001680
Bathymetry, Corrected Depth: 126.0
Magnetics Total Field, 1st Sensor: 323230
Magnetics Residual Field: -09510
Min/Max Data Record:
Date: 1973 04 28
Latitude: +31.78833
Longitude: -79.54333
Bathymetry, 2- Way Traveltime: 111747
Bathymetry, Corrected Depth: 8381.0
Magnetics Total Field, 1st Sensor: 468520
Magnetics Residual Field: +21150