Survey Identifier: TAG70
Format Acronym: MGD77
Data Center File Number: 03030015
Parameters Surveyed Code: 55500
File Creation Date (yyyymmdd): 19800209
Source Institution: NOAA
Country: UNITED STATES
Platform Name: DISCOVERER
Platform Type Code: 1
Platform Type: SHIP
Project: TRANS-ALANTIC GEOPHYSICAL TRAVERSE RP-4-70 TAGT
Survey Departure Date (yyyymmdd): 19700709
Port of Departure: CAPE HATTERAS, USA
Survey Arrival Date (yyyymmdd): 19700817
Port of Arrival: CAPE BLANC, MAURITANIA
Topmost Latitude of Survey: +36
Bottommost Latitude: +14
Leftmost Longitude: -080
Rightmost Longitude: -017
General Digitizing Rate of Bathymetry: 70
General Digitizing Rate of Magnetics: 92
General Digitizing Rate of Gravity: 135
Additional Documentation: WARNING: MGD77 DATA RECORDS FOR THIS CRUISE MAY CONTAIN NEGATIVE GRAVITY, ANOMALY VALUES THAT SHOULD BE POSITIVE.
Number of Data Records: 11796
Min/Max Data Record:
Date: 1970 07 09
Latitude: +14.74370
Longitude: -79.98000
Bathymetry, 2- Way Traveltime: 000475
Bathymetry, Corrected Depth: 36.0
Magnetics Total Field, 1st Sensor: 329380
Magnetics Residual Field: -04580
Free-Air Anomaly: -1223
Min/Max Data Record:
Date: 1970 08 17
Latitude: +35.16070
Longitude: -17.27330
Bathymetry, 2- Way Traveltime: 085075
Bathymetry, Corrected Depth: 6476.0
Magnetics Total Field, 1st Sensor: 543690
Magnetics Residual Field: +08200
Free-Air Anomaly: -0001