Survey Identifier: 74090800
Format Acronym: MGD77
Data Center File Number: 08020003
Parameters Surveyed Code: 51153
File Creation Date (yyyymmdd): 19800417
Source Institution: HAWAII INSTITUTE OF GEOPHYSICS
Country: U.S.A.
Platform Name: R/V MOANA WAVE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): STANLEY V. MARGOLIS
Project: MW740908 LEG 00 IDOE FERROMANGANESE PROGRAM MN74-02
Funding: N.S.F.(I.D.O.E.)
Survey Departure Date (yyyymmdd): 19740917
Port of Departure: SAN DIEGO, CALIFORNIA, U.S.A.
Survey Arrival Date (yyyymmdd): 19741010
Port of Arrival: HONOLULU, HAWAII, U.S.A.
Navigation Instrumentation: SATELLITE, SEXTANT
Geodetic Datum/Position: SATELLITE
Bathymetry Instrumentation: 3.5+12KHZ, 1-4SEC REP RATE, 30DEG BEAM
Additional Forms of Bathymetric Data: ANALOG RECORDS, MICROFILM
Magnetics Instrumentation: NONE
Gravity Instrumentation: NONE
Seismic Instrumentation: UNKNOWN
Formats of Seismic Data: UNKNOWN
Topmost Latitude of Survey: +33
Bottommost Latitude: +04
Leftmost Longitude: -158
Rightmost Longitude: -117
General Digitizing Rate of Bathymetry: 61
General Sampling Rate of Bathymetry: 1-4SEC
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NO INTERPOLATION
Additional Documentation: 05 COURSE AND SPEED INPUT TO NAVIGATION PROGRAM IS FROM BRIDGE AND LAB LOGS, 05 RATHER THAN FROM CHART RECORDS (AS NONE NOW EXIST). SOMETIMES THESE ARE, 05 UNRELIABLE, PARTICULARLY DURING STATIONS. 06 ONLY ONE RECORDER ABOARD SHIP SO BATHYMETRY DIGITIZED FROM BOTH 12KHZ AND, 06 3.5KHZ, WHICHEVER SOURCE WAS BEING USED AT THE TIME.
Number of Data Records: 5379
Min/Max Data Record:
Date: 1974 09 17
Latitude: +4.44502
Longitude: -157.78679
Bathymetry, 2- Way Traveltime: 037400
Bathymetry, Corrected Depth: 2786.0
Min/Max Data Record:
Date: 1974 10 10
Latitude: +32.75830
Longitude: -117.23842
Bathymetry, 2- Way Traveltime: 073970
Bathymetry, Corrected Depth: 5584.0