Survey Identifier: AMPH02AR
Format Acronym: MGD77
Data Center File Number: 15010002
Parameters Surveyed Code: 55111
File Creation Date (yyyymmdd): 19790907
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V ARGO
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): MENARD H.W.
Project: AMPHITRITE LEG 2
Survey Departure Date (yyyymmdd): 19640109
Port of Departure: PAPEETE
Survey Arrival Date (yyyymmdd): 19640123
Port of Arrival: PAGO PAGO,SAMOA
Navigation Instrumentation: CELESTIAL,MANUAL ENTRY GYRO SPEED
Geodetic Datum/Position: LINEAR INTERP.BETWEEN ADJACENT FIXES
Bathymetry Instrumentation: 12KHZ/PDR RECORDER/WIDE(60DEG)BEAM
Additional Forms of Bathymetric Data: ANALOGUE RECORDS,PUNCHED CARDS
Magnetics Instrumentation: SCRIPPS MFD PROTON PRECESSION(VACQUIER)
Additional Forms of Magnetics Data: ANAL.RECORDS,CARDS
Topmost Latitude of Survey: -12
Bottommost Latitude: -23
Leftmost Longitude: -170
Rightmost Longitude: -149
General Digitizing Rate of Bathymetry: 030
General Sampling Rate of Bathymetry: 1SECONDSWEEP
Assumed Sound Velocity: 14630
Bathymetric Datum Code: 00
Interpolation Scheme: 3 MINUTE INTERVAL
General Digitizing Rate of Magnetics: 060
General Sampling Rate of Magnetics: 15
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: 5081
Min/Max Data Record:
Date: 1964 01 09
Latitude: -22.66200
Longitude: -169.58310
Bathymetry, 2- Way Traveltime: 000550
Bathymetry, Corrected Depth: 41.0
Magnetics Total Field, 1st Sensor: 375750
Magnetics Residual Field: -12050
Min/Max Data Record:
Date: 1964 01 23
Latitude: -12.59510
Longitude: -149.61970
Bathymetry, 2- Way Traveltime: 076324
Bathymetry, Corrected Depth: 5768.0
Magnetics Total Field, 1st Sensor: 418400
Magnetics Residual Field: +10300