Survey Identifier: X05784
Format Acronym: MGD77
Data Center File Number: 16010006
Parameters Surveyed Code: 51511
File Creation Date (yyyymmdd): 19840115
Source Institution: SOUTH OF CHINA SEA-BUREAU
Country: CHINA
Platform Name: XIANGYANHONG
Platform Type Code: 1
Platform Type: SHIP
Project: PAC-4
Survey Departure Date (yyyymmdd): 19780903
Port of Departure: HUANGPU
Survey Arrival Date (yyyymmdd): 19781016
Port of Arrival: HUANGPU
Navigation Instrumentation: SAT
Geodetic Datum/Position: SAT
Bathymetry Instrumentation: ELAC
Gravity Instrumentation: GSS-2
Topmost Latitude of Survey: -03
Bottommost Latitude: -17
Leftmost Longitude: +126
Rightmost Longitude: +174
General Digitizing Rate of Bathymetry: 103
General Digitizing Rate of Gravity: 100
General Sampling Rate of Gravity: 00
Theoretical Gravity Formula Code: 8
Theoretical Gravity Formula: HELMERT1901-1909
Reference System Code: 2
Reference System: POTSDAM SYSTEM
Additional Documentation: POSSIBLE ERROR IN LATITUDE SUSPECTED BY NGDC FOR DATA ON DATES 781015 AND, 781016. THE LATITUDE VALUES OF -06 DEGREES FOR THESE DATES SHOULD POSSIBLY, BE +06 DEGREES.
Number of Data Records: 2534
Min/Max Data Record:
Date: 1978 09 03
Latitude: -16.42417
Longitude: +126.21617
Bathymetry, Corrected Depth: 333.0
Observed Gravity: 9778703
Free-Air Anomaly: -2173
Min/Max Data Record:
Date: 1978 10 16
Latitude: -3.65683
Longitude: +173.39583
Bathymetry, Corrected Depth: 6014.0
Observed Gravity: 9784923
Free-Air Anomaly: +1286