The world marine dataset consists of over 13 million observations and was processed by both NGDC and GSFC utilizing the AVSIG routine. An average Kp cutoff limit of +2 was also imposed, i.e. data with Kp > 2 was not retained in the marine dataset. Towed scalar intensity magnetometer data after 1950 is included in the marine dataset. Earlier data were put into the Surface Survey category.
World database of Marine scalar magnetic data from NGDC
CD: SURVEYMISC1
Files: /marine/su3000/ - /marine/su3004/
Format: NOAAM, USGS
Marine database processed with AVSIG
Data distribution is shown in Figure 7.14
CD: SURVEYPROC1
Files: /marine/su3500.f01 - 4
Format: ASC
Maine data (scalar only) processed in 1991 prepared for the main field model GSFC(S95-xx)
Data distribution is shown in Figure 7.23
CD: SURVEYPROJ1
Files: mar.iee
Format: BIN
Maine data (scalar only) processed in 1993 prepared for the main field model GSFC(S95-xx)
Data distribution is shown in Figure 7.23
CD: SURVEYPROJ1
Files: marnew.iee
Format: BIN
Recent Marine data (scalar only) obtained from NGDC of surveys from 1966-1992 prepared for the main field model GSFC(S95-xx). Data from 1985-1992 are
well distributed and were included in the model after along track averaging.
Data distribution is shown in Figure 7.23
CD: SURVEYPROJ1
Files: mar6692.iee
Format: BIN