Survey Identifier: HM950413
Format Acronym: MGD77
Data Center File Number: J1030032
Parameters Surveyed Code: 33513
File Creation Date (yyyymmdd): 19970324
Source Institution: HYDROGRAPHIC DEPARTMENT
Country: JAPAN
Platform Name: MEIYO
Platform Type Code: 1
Platform Type: SHIP
Chief Scientist(s): YUKIHIRO KATO
Project: EARTHQUAKE PREDICTION
Funding: HYDROGRAPHIC DEP
Survey Departure Date (yyyymmdd): 19950413
Port of Departure: TOKYO
Survey Arrival Date (yyyymmdd): 19950508
Port of Arrival: TOKYO
Navigation Instrumentation: GPS/LORANC
Geodetic Datum/Position: GPS/LORANC
Gravity Instrumentation: KSS30 TYPE, SENSOR GSS-30-01
Additional Forms of Gravity Data: GRAVITY ANOMALY CHART
Topmost Latitude of Survey: +44
Bottommost Latitude: +42
Leftmost Longitude: +139
Rightmost Longitude: +142
Bathymetric Datum Code: 0
General Digitizing Rate of Magnetics: 000
General Sampling Rate of Magnetics: 00
Magnetic Sensor Tow Distance: 0000
General Digitizing Rate of Gravity: 010
General Sampling Rate of Gravity: 05
Theoretical Gravity Formula Code: 3
Theoretical Gravity Formula: IAG SYSTEM 1967
Reference System: SYSTEM JGSN 75
Corrections Applied: DRIFT , ETOVOS CORRECTION
Departure Base Station Gravity: 9797714
Departure Base Station Description: TOKYO, PIER FOR MEIYO
Arrival Base Station Gravity: 9797712
Arrival Base Station Description: TOKYO, PIER FOR MEIYO
Additional Documentation: CRUISE NAME = OFFING OF ISIKARI WAN
Number of Data Records: 9687
Min/Max Data Record:
Date: 1995 04 18
Latitude: +42.58335
Longitude: +139.16725
Observed Gravity: 9803598
Free-Air Anomaly: -0495
Min/Max Data Record:
Date: 1995 05 05
Latitude: +43.75000
Longitude: +141.15240
Observed Gravity: 9805940
Free-Air Anomaly: +1041