Survey name | Type | Altitude | Spacing | Flight line distance |
---|---|---|---|---|
Belleville | M/R-D | 121.9 m | 9.60 km | 2,761 km |
Southeast Illinois '77 | M-D | 304.8 m above ground | 1.60 km | 12,231 km |
Hicks Dome 2019 | M/R-D | 100 m above ground | 0.20 km | 61,974 km |
Paducah | M/R-D | 121.9 m | 9.60 km | 2,566 km |