Survey Identifier: CMAPPI5B


Format Acronym: MGD77
Data Center File Number: 03010008
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, CMAPPI5B
Survey Departure Date (yyyymmdd): 19610502
Port of Departure: HAWAIIAN ISL USA
Survey Arrival Date (yyyymmdd): 19650425
Port of Arrival: KODIAK 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
Gravity Instrumentation: LACOSTE-ROMBERG (S-11)
Additional Forms of Gravity Data: STRIP CHARTS
Topmost Latitude of Survey: +42
Bottommost Latitude: +36
Leftmost Longitude: -166
Rightmost Longitude: -156
Interpolation Scheme: 5-MIN INTERVALS, PEAKS, TROUGHS, AND STEEP SLOPES
Magnetic Sensor Tow Distance: 0140
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/MO.
Additional Documentation: WARNING: MGD77 DATA RECORDS FOR THIS CRUISE MAY CONTAIN NEGATIVE GRAVITY, ANOMALY VALUES THAT SHOULD BE POSITIVE.
Number of Data Records: 8146

Min/Max Data Record:
Date: 1961 05 02
Latitude: +36.00000
Longitude: -165.02800
Bathymetry, 2- Way Traveltime: 036825
Bathymetry, Corrected Depth: 2743.0
Magnetics Total Field, 1st Sensor: 417040
Magnetics Residual Field: -07810
Free-Air Anomaly: -0540

Min/Max Data Record:
Date: 1965 04 25
Latitude: +41.99900
Longitude: -156.00100
Bathymetry, 2- Way Traveltime: 086572
Bathymetry, Corrected Depth: 6562.0
Magnetics Total Field, 1st Sensor: 457040
Magnetics Residual Field: +05440
Free-Air Anomaly: +0000