Survey Identifier: CMAPSU5A
Format Acronym: MGD77
Data Center File Number: 03020013
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: NOS/IDOE
Survey Departure Date (yyyymmdd): 19630516
Port of Departure: 42.0120, -178.3180
Survey Arrival Date (yyyymmdd): 19630923
Port of Arrival: 42.0180, -178.9180
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: +48
Bottommost Latitude: +42
Leftmost Longitude: +179
Rightmost Longitude: -170
General Digitizing Rate of Bathymetry: 579
Interpolation Scheme: 5-MINUTE INT. AND AT PEAKS, TROUGHS AND STEEP SLOPES
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: 2853
Min/Max Data Record:
Date: 1963 05 16
Latitude: +42.00000
Longitude: -180.00000
Bathymetry, 2- Way Traveltime: 057877
Bathymetry, Corrected Depth: 4324.0
Magnetics Total Field, 1st Sensor: 426730
Magnetics Residual Field: -07280
Free-Air Anomaly: -0610
Min/Max Data Record:
Date: 1963 09 23
Latitude: +47.99800
Longitude: +180.00000
Bathymetry, 2- Way Traveltime: 091692
Bathymetry, Corrected Depth: 6954.0
Magnetics Total Field, 1st Sensor: 466530
Magnetics Residual Field: +04820
Free-Air Anomaly: +0000