Survey Identifier: CMAPPI5D
Format Acronym: MGD77
Data Center File Number: 03010010
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 19800208
Source Institution: NOAA/NOS
Country: UNITED STATES
Platform Name: PIONEER
Platform Type Code: 1
Platform Type: SHIP
Project: OPR-421 PACIFIC SURVEY SEAMAP, CMAPPI5D
Survey Departure Date (yyyymmdd): 19610917
Port of Departure: PEARL HARBOR USA
Survey Arrival Date (yyyymmdd): 19610920
Port of Arrival: ADAK USA
Navigation Instrumentation: LORAN C/ LORAN A/ CELESTIAL/ SATELLITE
Geodetic Datum/Position: LORAN C
Bathymetry Instrumentation: PDR
Magnetics Instrumentation: VARIAN (V-4931)
Additional Forms of Magnetics Data: STRIP CHARTS/ PUNCHED TAPE
Gravity Instrumentation: LACOSTE-ROMBERG (S-11)
Additional Forms of Gravity Data: STRIP CHARTS
Topmost Latitude of Survey: +42
Bottommost Latitude: +36
Leftmost Longitude: -178
Rightmost Longitude: -176
General Digitizing Rate of Bathymetry: 86
Interpolation Scheme: 5-MIN INTERVALS, PEAKS, TROUGHS, AND STEEP SLOPES
General Digitizing Rate of Magnetics: 165
Magnetic Sensor Tow Distance: 0140
Reference Field Code: 03
Reference Field: IGRF-65
General Digitizing Rate of Gravity: 248
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Corrections Applied: DRIFT: <+2.4 MGALS/MO.
Additional Documentation: WARNING: MGD77 DATA RECORDS FOR THIS CRUISE MAY CONTAIN NEGATIVE GRAVITY, ANOMALY VALUES THAT SHOULD BE POSITIVE.
Number of Data Records: 486
Min/Max Data Record:
Date: 1961 09 17
Latitude: +36.01800
Longitude: -177.35300
Bathymetry, 2- Way Traveltime: 061585
Bathymetry, Corrected Depth: 4618.0
Magnetics Total Field, 1st Sensor: 397790
Magnetics Residual Field: -04000
Free-Air Anomaly: -0290
Min/Max Data Record:
Date: 1961 09 20
Latitude: +41.98000
Longitude: -176.93200
Bathymetry, 2- Way Traveltime: 077677
Bathymetry, Corrected Depth: 5861.0
Magnetics Total Field, 1st Sensor: 429320
Magnetics Residual Field: +03240
Free-Air Anomaly: +0000