Airborne geophysical surveys

Survey name Type Altitude Spacing Flight line distance
Ketchikan '76M-Dz1830 m (barometer)1.60 km8,529 km
Petersburg '78M-D304.8 m above ground1.60 km13,920 km
Craig 1982M-D304.8 m above ground0.80 km9,221 km
Bradfield CanalM/R-D121.9 m 9.60 km716 km
Craig AKM/R-D121.9 m 9.60 km1,496 km
Stikine - Zarembo IslandM/EM-D30 m above ground0.40 km1,387 km
Stikine - Western EtolinM/EM-D30 m above ground0.40 km682 km
Stikine - Groundhog BasinM/EM-D30 m above ground0.40 km423 km
KetchikanM/R-D121.9 m 9.60 km1,609 km
PetersburgM/R-D121.9 m 9.60 km1,472 km