Survey Identifier: CMAPSU7W
Format Acronym: MGD77
Data Center File Number: 03020020
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 19800208
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): 19701031
Port of Arrival: 29.9920, -165.0260
Navigation Instrumentation: LORAN-C/LORAN-A/ CELESTIAL/SATELLITE
Bathymetry Instrumentation: 12 KHZ TRANSDUCER (PDR)
Additional Forms of Bathymetric Data: STRIP CHARTS/ PUNCHED PAPER TAPE
Magnetics Instrumentation: VARIAN TOTAL-FIELD PRECESSION MAGNET.
Additional Forms of Magnetics Data: ANALOG/STRIP CHARTS/ PUNCHED TAPE
Gravity Instrumentation: LACOSTE-ROMBERG GIMBALED S.S. METER
Topmost Latitude of Survey: +30
Bottommost Latitude: +24
Leftmost Longitude: -175
Rightmost Longitude: -165
General Digitizing Rate of Bathymetry: 513
Interpolation Scheme: 5-MINUTE INT. AND AT PEAKS, TROUGHS AND STEEP SLOPES
General Digitizing Rate of Magnetics: 697
Reference Field Code: 03
Reference Field: IGRF-65
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: WARNING: MGD77 DATA RECORDS FOR THIS CRUISE MAY CONTAIN NEGATIVE GRAVITY, ANOMALY VALUES THAT SHOULD BE POSITIVE.
Number of Data Records: 16044
Min/Max Data Record:
Date: 1963 02 22
Latitude: +24.00000
Longitude: -174.99500
Bathymetry, 2- Way Traveltime: 000357
Bathymetry, Corrected Depth: 27.0
Magnetics Total Field, 1st Sensor: 354130
Magnetics Residual Field: -07820
Free-Air Anomaly: -2780
Min/Max Data Record:
Date: 1970 10 31
Latitude: +30.00000
Longitude: -165.00000
Bathymetry, 2- Way Traveltime: 072717
Bathymetry, Corrected Depth: 5481.0
Magnetics Total Field, 1st Sensor: 385620
Magnetics Residual Field: +09040
Free-Air Anomaly: +0000