Survey Identifier: CMAPPI6E
Format Acronym: MGD77
Data Center File Number: 03010011
Parameters Surveyed Code: 50511
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, CMAPPI6E
Survey Departure Date (yyyymmdd): 19630510
Survey Arrival Date (yyyymmdd): 19630512
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: +36
Bottommost Latitude: +30
Leftmost Longitude: -166
Rightmost Longitude: -165
General Digitizing Rate of Bathymetry: 83
Interpolation Scheme: 5-MIN INTERVALS, PEAKS, TROUGHS, AND STEEP SLOPES
Magnetic Sensor Tow Distance: 0140
Reference Field Code: 03
Reference Field: IGRF-65
General Digitizing Rate of Gravity: 211
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: 149
Min/Max Data Record:
Date: 1963 05 10
Latitude: +30.21000
Longitude: -165.01500
Bathymetry, 2- Way Traveltime: 059145
Bathymetry, Corrected Depth: 4435.0
Free-Air Anomaly: -0320
Min/Max Data Record:
Date: 1963 05 12
Latitude: +35.98900
Longitude: -165.00000
Bathymetry, 2- Way Traveltime: 077425
Bathymetry, Corrected Depth: 5846.0
Free-Air Anomaly: +0000