Survey Identifier: NV9701MV
Format Acronym: MGD77
Data Center File Number: 15020172
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): TRANSIT LEG
Project: NAVOCEANO EXPEDITION LEG 1
Funding: NAVO UC FUNDS
Survey Departure Date (yyyymmdd): 19970714
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19970717
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: 41
Bottommost Latitude: 32
Leftmost Longitude: -125
Rightmost Longitude: -117
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: 979535.
Departure Base Station Description: 5MARFAC PIER,SAN DIEGO,CALIF.
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: 4174
Min/Max Data Record:
Date: 1997 07 14
Latitude: +32.61819
Longitude: -124.66074
Observed Gravity: 9795155
Free-Air Anomaly: -0796
Min/Max Data Record:
Date: 1997 07 17
Latitude: +40.77011
Longitude: -117.22596
Observed Gravity: 9802112
Free-Air Anomaly: +0313