Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Crystal CityM/R-D121.9 m 2.40 km5,994 km
San AntonioM/R-D121.9 m 4.80 km5,589 km
Texas Coastal Plain '56M-Dz152.4 m above ground1.60 km20,317 km
Northwest San AntonioM-Dz853.4 m (barometer)2.00 km13,703 km
Medina-UvaldeM-D152.4 m above ground0.40 km15,819 km