Survey Identifier: L479SC
Format Acronym: MGD77
Data Center File Number: 06050048
Parameters Surveyed Code: 00005
File Creation Date (yyyymmdd): 19870609
Source Institution: USGS Branch of Pacific Marine Geology
Country: United States
Platform Name: Lee
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): Jim Crouch
Survey Departure Date (yyyymmdd): 19791115
Port of Departure: LEAVE REDWOOD CITY
Survey Arrival Date (yyyymmdd): 19791121
Port of Arrival: AR SAN DIEGO
Navigation Instrumentation: SATNAV, LORAN-C, DOPPLAR SONAR
Geodetic Datum/Position: PRIM-SATNAV, SEC-INTEGRATED NAV
Bathymetry Instrumentation: 12KHZ NARROW 1 SEC, 3.5KHZ WIDE 1 SEC
Additional Forms of Bathymetric Data: RECORDER ROLLS
Gravity Instrumentation: L&R S-53
Additional Forms of Gravity Data: ANALOG RECORDS
Seismic Instrumentation: SINGLE CHANNEL, 24 CHANNEL
Topmost Latitude of Survey: +34
Bottommost Latitude: +31
Leftmost Longitude: -121
Rightmost Longitude: -117
General Sampling Rate of Bathymetry: 20/SECONDS
Assumed Sound Velocity: 14630
General Sampling Rate of Gravity: 15
Theoretical Gravity Formula Code: 2
Theoretical Gravity Formula: INTERNAT,IAG1967
Reference System Code: 3
Reference System: SYSTEM IGSN-71
Corrections Applied: DRIFT CORRECTIONS
Arrival Base Station Gravity: 9688456
Arrival Base Station Description: SAN DIEGO, CA.
Number of Data Records: 10781
Min/Max Data Record:
Date: 1979 11 15
Latitude: +31.21145
Longitude: -120.07230
Seismic Line Number: 901
Seismic Shot-Point Number: 40
Min/Max Data Record:
Date: 1979 11 21
Latitude: +33.61280
Longitude: -117.17745
Seismic Line Number: 911
Seismic Shot-Point Number: 4410