Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
AustinM/R-D121.9 m 4.80 km3,991 km
LlanoM/R-D121.9 m 4.80 km5,182 km
San AntonioM/R-D121.9 m 4.80 km5,589 km
SeguinM/R-D121.9 m 4.80 km4,296 km
Texas Coastal Plain '56M-Dz152.4 m above ground1.60 km20,317 km
Killeen ARMS (Llano Up.)M-Dz152.4 m above ground1.60 km3,862 km
LockhartM-D457.2 m (barometer)9.60 km619 km