Survey Identifier: CMAPPI2A
Format Acronym: MGD77
Data Center File Number: 03010003
Parameters Surveyed Code: 55511
File Creation Date (yyyymmdd): 19800207
Source Institution: NOAA/NOS
Country: UNITED STATES
Platform Name: PIONEER
Platform Type Code: 1
Platform Type: SHIP
Project: OPR-421 PACIFIC SURVEY SEAMAP, CMAPPI2A
Survey Departure Date (yyyymmdd): 19610917
Port of Departure: ADAK,USA
Survey Arrival Date (yyyymmdd): 19650424
Port of Arrival: HONOLULU,USA
Navigation Instrumentation: LORAN-C/ LORAN-A/ CELESTIAL/ SATELLITE
Geodetic Datum/Position: LORAN-C
Bathymetry Instrumentation: PRECISION DEPTH RECORDER
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: -165
Rightmost Longitude: -156
Interpolation Scheme: 5-MIN. INTERVALS AND PEAKS, STEEP SLOPES, TROUGHS
Magnetic Sensor Tow Distance: 140
Sensor Depth: 9999.
Reference Field Code: 03
Reference Field: IGRF-65
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT'L 1930
Corrections Applied: DRIFT:<+2.4 MGALS/MONTH
Additional Documentation: WARNING: MGD77 DATA RECORDS FOR THIS CRUISE MAY CONTAIN NEGATIVE GRAVITY, ANOMALY VALUES THAT SHOULD BE POSITIVE.
Number of Data Records: 10898
Min/Max Data Record:
Date: 1961 09 17
Latitude: +30.00100
Longitude: -165.00000
Bathymetry, 2- Way Traveltime: 023545
Bathymetry, Corrected Depth: 1751.0
Magnetics Total Field, 1st Sensor: 385310
Magnetics Residual Field: -06110
Free-Air Anomaly: -0710
Min/Max Data Record:
Date: 1965 04 24
Latitude: +35.99800
Longitude: -156.20200
Bathymetry, 2- Way Traveltime: 081692
Bathymetry, Corrected Depth: 6179.0
Magnetics Total Field, 1st Sensor: 425700
Magnetics Residual Field: +06180
Free-Air Anomaly: +0000