| Identifier: | GROPH |
| NAS ID: | GROPH |
| Name: | GROPH |
| Fix Type: | Civilian |
| Fix Use: | |
| State: | WISCONSIN |
| ICAO Region: | K5 |
| Latitude: | 44-48-09.130N (44.802500) |
| Longitude: | 091-32-36.700W (-91.543500) |
| Magnetic Variance: | 1.5 W as of 9/30/2025 |
| High ARTCC Area: | ZMP |
| Low ARTCC Area: | ZMP |
| Published: | Yes |
| Charts: | |
| Pitch: | No |
| Catch: | No |
| SUA ATCAA: | No |
| SPECIAL IAP |