Survey Identifier: CMAPSU5D
Format Acronym: MGD77
Data Center File Number: 03020016
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 19800208
Source Institution: NOAA/NOS
Country: USA
Platform Name: SURVEYOR
Platform Type Code: 1
Platform Type: SHIP
Project: OPR 421 PACIFIC SEA MAP
Funding: NSF/IDOE
Survey Departure Date (yyyymmdd): 19630227
Port of Departure: 180 MERIDIAN
Survey Arrival Date (yyyymmdd): 19631017
Port of Arrival: 155 MERIDIAN
Navigation Instrumentation: LORAN-C/LORAN-A/ CELESTIAL/SATELLITE
Bathymetry Instrumentation: 12 KHZ TRANSDUCER (PDC)
Additional Forms of Bathymetric Data: STRIP CHARTS/PUNCHED PAPER TAPE
Magnetics Instrumentation: VARIAN TOTAL-FIELD PRECESSION MAGNET.
Additional Forms of Magnetics Data: ANALOG STRIP CHART, PUNCHED TAPE
Gravity Instrumentation: LACOSTE-ROMBERG GIMBALED S.S. METER
Additional Forms of Gravity Data: STRIP CHARTS/MAGNETIC TAPE
Topmost Latitude of Survey: +42
Bottommost Latitude: +36
Leftmost Longitude: +179
Rightmost Longitude: -168
General Digitizing Rate of Bathymetry: 483
Interpolation Scheme: 5-MINUTE INT. AND AT PEAKS, TROUGHS AND STEEP SLOPES
General Digitizing Rate of Magnetics: 965
Reference Field Code: 03
Reference Field: IGRF-65
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Additional Documentation: WARNING: MGD77 DATA RECORDS FOR THIS CRUISE MAY CONTAIN NEGATIVE GRAVITY, ANOMALY VALUES THAT SHOULD BE POSITIVE.
Number of Data Records: 6131
Min/Max Data Record:
Date: 1963 02 27
Latitude: +36.00000
Longitude: -179.98500
Bathymetry, 2- Way Traveltime: 026305
Bathymetry, Corrected Depth: 1956.0
Magnetics Total Field, 1st Sensor: 394940
Magnetics Residual Field: -03470
Free-Air Anomaly: -0440
Min/Max Data Record:
Date: 1963 10 17
Latitude: +41.99600
Longitude: +179.98900
Bathymetry, 2- Way Traveltime: 102212
Bathymetry, Corrected Depth: 7794.0
Magnetics Total Field, 1st Sensor: 433470
Magnetics Residual Field: +06520
Free-Air Anomaly: +0000