Survey Identifier: CMAPSU4S
Format Acronym: MGD77
Data Center File Number: 03020012
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): 19630525
Port of Departure: MIDALEUTIAN ISL USA
Survey Arrival Date (yyyymmdd): 19640906
Port of Arrival: ALEUTIAN ISL 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 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: +54
Bottommost Latitude: +48
Leftmost Longitude: +179
Rightmost Longitude: -166
General Digitizing Rate of Bathymetry: 472
Interpolation Scheme: 5-MINUTE INT. AND AT PEAKS, TROUGHS AND STEEP SLOPES
General Digitizing Rate of Magnetics: 652
Reference Field Code: 03
Reference Field: IGRF-65
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: 13478
Min/Max Data Record:
Date: 1963 05 25
Latitude: +48.00000
Longitude: -180.00000
Bathymetry, 2- Way Traveltime: 000277
Bathymetry, Corrected Depth: 21.0
Magnetics Total Field, 1st Sensor: 462400
Magnetics Residual Field: -09980
Free-Air Anomaly: -2110
Min/Max Data Record:
Date: 1964 09 06
Latitude: +53.99800
Longitude: +180.00000
Bathymetry, 2- Way Traveltime: 094812
Bathymetry, Corrected Depth: 7196.0
Magnetics Total Field, 1st Sensor: 507920
Magnetics Residual Field: +14290
Free-Air Anomaly: +0000