Survey Identifier: STEP-AHO
Format Acronym: MGD77
Data Center File Number: 15080032
Parameters Surveyed Code: 51111
File Creation Date (yyyymmdd): 19800923
Source Institution: SCRIPPS INSTITUTION OF OCEANOGRAPHY
Country: USA
Platform Name: R/V HORIZON
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): WOOSTER W.
Project: STEP 1 LEG 1
Survey Departure Date (yyyymmdd): 19600915
Port of Departure: SAN DIEGO,CALIFORNIA
Survey Arrival Date (yyyymmdd): 19601021
Port of Arrival: CALLAO,PERU
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
Topmost Latitude of Survey: +11
Bottommost Latitude: +00
Leftmost Longitude: -093
Rightmost Longitude: -085
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
Number of Data Records: 1533
Min/Max Data Record:
Date: 1960 09 23
Latitude: +0.03140
Longitude: -92.78280
Bathymetry, 2- Way Traveltime: 003474
Bathymetry, Corrected Depth: 263.0
Min/Max Data Record:
Date: 1960 09 26
Latitude: +10.07600
Longitude: -85.03360
Bathymetry, 2- Way Traveltime: 052300
Bathymetry, Corrected Depth: 3918.0