Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
North Carolina CoastM-D152.4 m above ground1.61 km3,862 km
Southeast North CarolinaM-Dz152.4 m above ground1.61 km24,671 km
NorfolkM/R-D121.92 m 4.83 km4,888 km
Rocky MountM/R-D121.92 m 9.66 km3,729 km
Offshore East CoastM-D457.2 m (barometer)8.05 km59,546 km
Offshore E. Coast Tie LinesM-D300 m (barometer)-9999.00 km185,000 km