Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
KnoxvilleM/R-D121.9 m 4.80 km4,990 km
Southern KnoxvilleM-Dz1830 m (barometer)1.60 km6,968 km
Maryville-AshevilleM-D304.8 m above ground0.53 km29,104 km