Alaska 2008 Aeromag Gradient Data
Read Me File

Data Format:

Columns:

Line
Flight Direction (Degrees from North)
Longitude (WGS-84)
Latitude (WGS-84)
UTMx (m, WGS-84, Zone 4N)
UTMy (m, WGS-84, Zone 4N)
Fiducial
Year/Julian Date (YYYY/DDD, GMT)
Time (HHMMSS.SS, GMT)
Height Above Ground (Radar Altimeter) (m)
Barometric Altitude (m)
GPS Elevation (m)
Base Mag Filtered (nT)
Diurnal (nT)
IGRF-2005 Value (nT)
Raw Uncompensated Tail Mag (nT)
Raw Uncompensated Wing Mag 1 (nT)
Raw Uncompensated Wing Mag 2 (nT)
Compensated, Uncorrected Tail Mag (nT)
Compensated, Uncorrected Wing Mag 1, Shifted (nT)
Compensated, Uncorrected Wing Mag 2, Shifted (nT)
Filter Applied to Tail Mag (nT)
Filter Applied to Wing Mag 1 (nT)
Filter Applied to Wing Mag 2 (nT)
Level Correction Applied to Tail Mag (nT)
Level Correction Applied to Wing Mag 1 (nT)
Level Correction Applied to Wing Mag 2 (nT)
Final Tail Mag Value (Residual Total Field, After Filtering and Leveling) (nT)
Final Wing Mag 1 Value (Residual Total Field, After Filtering and Leveling) (nT)
Final Wing Mag 2 Value (Residual Total Field, After Filtering and Leveling) (nT)
East-West Gradient (nT/m)
North-South Gradient (nT/m)
Level Correction Applied to East-West Gradient (nT/m)
Level Correction Applied to North-South Gradient (nT/m)
Final East-West Gradient (After Leveling) (nT/m)
Final North-South Gradient (After Leveling) (nT/m)
Total Gradient (nT/m)