Survey name | Type | Altitude | Spacing | Flight line distance |
---|---|---|---|---|
Newark | M/R-D | 121.9 m | 4.80 km | 3,975 km |
Pennsylvania Coop | M-Dz | 914.4 m (barometer) | 3.20 km | 4,828 km |
Central & Northern Penn. | M-Dz | 304.8 m above ground | 4.80 km | 12,713 km |
Scranton | M/R-D | 121.9 m | 4.80 km | 4,345 km |