Survey Identifier: POL7301
Format Acronym: MGD77
Data Center File Number: 03040058
Parameters Surveyed Code: 55531
File Creation Date (yyyymmdd): 19800209
Source Institution: NOAA/POL
Country: UNITED STATES
Platform Name: OCEANOGRAPHER
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): DR. ROBERT E. BURNS (POL)
Project: RP-2-OC-73 NAZCA PLATE PROJECT LEG 1
Funding: NSF/IDOE
Survey Departure Date (yyyymmdd): 19730213
Port of Departure: SEATTLE, WASHINGTON,USA
Survey Arrival Date (yyyymmdd): 19730302
Port of Arrival: CALLAO, PERU
Navigation Instrumentation: MAGNAVOX 706 SATELLITE/PROTOTYPE AN/SRN9
Bathymetry Instrumentation: RAYTHEON(CESP),(PTR-105)/SEE ADD DOC 18
Additional Forms of Bathymetric Data: ANALOG/MAG. AND PAPER TAPE
Magnetics Instrumentation: VARIAN DIRECT READING MAGNETOMETER
Additional Forms of Magnetics Data: ANALOG/MAGNETIC AND PAPER TAPE
Gravity Instrumentation: ASKANIA GSS-2/ANSHUTZ/LACOSTE-ROMBERG
Additional Forms of Gravity Data: ANALOG/MAGNETIC AND PAPER TAPE
Seismic Instrumentation: SEE ADD DOC 20-23
Topmost Latitude of Survey: +49
Bottommost Latitude: -15
Leftmost Longitude: -127
Rightmost Longitude: -077
General Digitizing Rate of Bathymetry: 62
General Digitizing Rate of Magnetics: 61
Magnetic Sensor Tow Distance: 229
General Digitizing Rate of Gravity: 63
Departure Base Station Gravity: 9807422
Departure Base Station Description: PMC SEATTLE
Arrival Base Station Gravity: 9783061
Arrival Base Station Description: CALLAO, PERU ACIC #0091-4
Additional Documentation: EDO-240-H TRANSDUCERS/RAYTHEON PF-101 RECORDER (ONE-SECOND FULL SCALE SWEEP), REFLECTION: 120-CUBIC-INCH BOLT AIR GUN-1900C/RIX AIR COMPRESSOR-K98/TELEDYNE, AND AQUATRONICS HYDROPHONE STREAMERS/TELEDYNE AMPLIFIER-FILTER SYSTEM/HP, REFRACTION: 8875A AMPLIFIERS/KROHN-HITE 3700 BAND PASS FILTER, REFRACTION: SSQ-41 SONOBUOYS, ** GRAVITY ANOMALY SIGNS REPAIRED 870206, OTHER PARAMETERS UNCHANGED **
Number of Data Records: 4549
Min/Max Data Record:
Date: 1973 02 13
Latitude: -14.01660
Longitude: -126.51830
Bathymetry, 2- Way Traveltime: 002270
Bathymetry, Corrected Depth: 170.0
Magnetics Total Field, 1st Sensor: 278260
Magnetics Residual Field: -05330
Free-Air Anomaly: -1344
Min/Max Data Record:
Date: 1973 03 02
Latitude: +48.12500
Longitude: -77.64330
Bathymetry, 2- Way Traveltime: 079575
Bathymetry, Corrected Depth: 6020.0
Magnetics Total Field, 1st Sensor: 559630
Magnetics Residual Field: +05240
Free-Air Anomaly: +0575