Survey Identifier: NV9702MV


Format Acronym: MGD77
Data Center File Number: 15020173
Parameters Surveyed Code: 11511
File Creation Date (yyyymmdd): 20001129
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V MELVILLE
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CHARLES NITTROUER,S.U.N.Y.
Project: NAVOCEANO EXPEDITION LEG 2
Funding: ONR
Survey Departure Date (yyyymmdd): 19970718
Port of Departure: EUREKA,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19970728
Port of Arrival: EUREKA,CALIFORNIA
Navigation Instrumentation: TRIMBLE TASMAN P(Y) GPS
Geodetic Datum/Position: WGS-84; LINEAR FIT TO 60 SEC FIXES
Additional Forms of Bathymetric Data: NONE COLLECTED
Additional Forms of Magnetics Data: NONE COLLECTED
Gravity Instrumentation: BELL BGM-3 METER
Additional Forms of Gravity Data: DIGITAL TAPE
Formats of Seismic Data: NONE COLLECTED
Topmost Latitude of Survey: 42
Bottommost Latitude: 40
Leftmost Longitude: -125
Rightmost Longitude: -124
Bathymetric Datum Code: 00
General Digitizing Rate of Gravity: 010
General Sampling Rate of Gravity: 01
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System Code: 3
Reference System: SYSTEM IGSN 71
Corrections Applied: EOTVOS AND METER DRIFT
Departure Base Station Gravity: 9801965
Departure Base Station Description: DOD2327-3EUREKA,CALIFORNIA
Arrival Base Station Gravity: 9801965
Arrival Base Station Description: DOD2327-3EUREKA,CALIFORNIA
Additional Documentation: PROCESSED BY GEOLOGICAL DATA CENTER, SCRIPPS INSTITUTION OF OCEANOGRAPHY, GRAVITY: 1 SEC METER COUNTS FILTERED WITH 99 SEC STD.DEV.GAUSSIAN CONV.WINDOW. FREE AIR ANOMALY SPIKES MAY BE PRESENT BECAUSE SAME FILTER NOT USED FOR NAV.
Number of Data Records: 14483

Min/Max Data Record:
Date: 1997 07 18
Latitude: +40.57787
Longitude: -124.74505
Observed Gravity: 9773580
Free-Air Anomaly: -0624

Min/Max Data Record:
Date: 1997 07 28
Latitude: +41.15942
Longitude: -124.21917
Observed Gravity: 9802928
Free-Air Anomaly: -0060