Survey Identifier: KI81-2
Format Acronym: MGD77
Data Center File Number: 08050029
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19851216
Source Institution: HAWAII INST. GEOPHYSICS FOR CCOPSOPAC
Country: U.S.A.
Platform Name: R/V MACHIAS
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): NEVILLE EXON
Project: CCOP/SOPAC RAS 79/074; KI81-2
Funding: UNDP
Survey Departure Date (yyyymmdd): 19810419
Port of Departure: BETIO, KIRIBATI
Survey Arrival Date (yyyymmdd): 19810504
Port of Arrival: BETIO, KIRIBATI
Navigation Instrumentation: (SEE ADD.DOC. 18)
Geodetic Datum/Position: 1-SATNAV 2-RADAR 3-SEXTANT
Bathymetry Instrumentation: RAYTHEON PTR 106C-1 7 KHZ
Additional Forms of Bathymetric Data: ANALOG RECORDS, MICROFILM
Topmost Latitude of Survey: +03
Bottommost Latitude: -02
Leftmost Longitude: +172
Rightmost Longitude: +177
General Digitizing Rate of Bathymetry: 90
General Sampling Rate of Bathymetry: 1 PER SECOND
Assumed Sound Velocity: 15000
Bathymetric Datum Code: 00
Interpolation Scheme: NONE/PICKED PEAKS & TROUGHS + 15MIN INTERVALS IF SMOOTH
Additional Documentation: 05 MAGNAVOX 1102A; RADAR X, 05 OBJECTIVE: TO SAMPLE SHALLOW-WATER LAGOONS ALONG THE GILBERT, 05 ISLAND CHAIN TO APPRAISE POTENTIAL FOR PRECIOUS CORALS.
Number of Data Records: 2797
Min/Max Data Record:
Date: 1981 04 19
Latitude: -2.00067
Longitude: +172.64483
Bathymetry, 2- Way Traveltime: 000150
Bathymetry, Corrected Depth: 11.0
Min/Max Data Record:
Date: 1981 05 04
Latitude: +2.07683
Longitude: +176.51833
Bathymetry, 2- Way Traveltime: 066500
Bathymetry, Corrected Depth: 5010.0