Survey Identifier: CMAPSU1A


Format Acronym: MGD77
Data Center File Number: 03020007
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 19800207
Source Institution: NOAA/NOS
Country: UNITED STATES
Platform Name: SURVEYOR
Platform Type Code: 1
Platform Type: SHIP
Project: OPR 421 PACIFIC SEA MAP
Funding: NSF/IDOE
Survey Departure Date (yyyymmdd): 19630222
Port of Departure: PEARL HARBOR,USA
Survey Arrival Date (yyyymmdd): 19701022
Port of Arrival: SAN FRANCISCO,USA
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 MAG.
Additional Forms of Magnetics Data: ANALOG/STRIP CHART/ PUNCHED TAPE
Gravity Instrumentation: 99
Additional Forms of Gravity Data: STRIP CHARTS/ANALOG
Topmost Latitude of Survey: +30
Bottommost Latitude: +24
Leftmost Longitude: -165
Rightmost Longitude: -155
Interpolation Scheme: 5-MINUTE INT. AND AT PEAKS, TROUGHS AND STEEP SLOPES
Reference Field Code: 03
Reference Field: 1GRF-1965
Method of Applying Residual Field: CONTOURED AT AN INTERVAL OF 100 GAMMAS
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Additional Documentation: NAVIGATION IS POOR, WARNING: MGD77 DATA RECORDS FOR THIS CRUISE MAY CONTAIN NEGATIVE GRAVITY, ANOMALY VALUES THAT SHOULD BE POSITIVE.
Number of Data Records: 9152

Min/Max Data Record:
Date: 1963 02 22
Latitude: +24.00000
Longitude: -164.99600
Bathymetry, 2- Way Traveltime: 000957
Bathymetry, Corrected Depth: 72.0
Magnetics Total Field, 1st Sensor: 362810
Magnetics Residual Field: -08050
Free-Air Anomaly: -0860

Min/Max Data Record:
Date: 1970 10 22
Latitude: +30.00000
Longitude: -155.01700
Bathymetry, 2- Way Traveltime: 087917
Bathymetry, Corrected Depth: 6674.0
Magnetics Total Field, 1st Sensor: 394370
Magnetics Residual Field: +06040
Free-Air Anomaly: +0000