Survey Identifier: HERM-1OT


Format Acronym: MGD77
Data Center File Number: 15130004
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19811013
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V OCONOSTOTA
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): CHASE C.
Project: HERM LEG 1
Survey Departure Date (yyyymmdd): 19690115
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19690119
Port of Arrival: SAN DIEGO,CALIFORNIA
Navigation Instrumentation: CELESTIAL AND LORAN
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/GIFFT RECORDER/WIDE(60DEG)BEAM
Additional Forms of Bathymetric Data: ANALOGUE RECORDS,PUNCHED CARDS
Magnetics Instrumentation: VARIAN MFD PROTON PRECESSION MOD 4970
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Topmost Latitude of Survey: +33
Bottommost Latitude: +30
Leftmost Longitude: -124
Rightmost Longitude: -117
General Digitizing Rate of Bathymetry: 050
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 5 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 050
General Sampling Rate of Magnetics: 06
Reference Field Code: 03
Reference Field: IGRF 1965
Method of Applying Residual Field: LIN.INTERP.AT 30DEG C/C OR 500MI ALONG TRACK
Number of Data Records: 1112

Min/Max Data Record:
Date: 1969 01 15
Latitude: +30.16180
Longitude: -123.77280
Bathymetry, 2- Way Traveltime: 000574
Bathymetry, Corrected Depth: 43.0
Magnetics Total Field, 1st Sensor: 465900
Magnetics Residual Field: -05700

Min/Max Data Record:
Date: 1969 01 19
Latitude: +32.62550
Longitude: -117.25670
Bathymetry, 2- Way Traveltime: 058674
Bathymetry, Corrected Depth: 4399.0
Magnetics Total Field, 1st Sensor: 495900
Magnetics Residual Field: +01500