| Category | Subcategory | Lat | Lon | Range |
|---|---|---|---|---|
| St. Mary's County | St. Mary's, County of | 38.28282 | -76.5195 | 21 |
| Amateur Radio | General Amateur Radio | 38.28282 | -76.5195 | 21 |
| Amateur Radio | GMRS | 38.28282 | -76.5195 | 21 |
| Amateur Radio | Skywarn | 38.28282 | -76.5195 | 21 |
| Category | Subcategory | Lat | Lon | Range |
|---|---|---|---|---|
| St. Mary's County | St. Mary's, County of | 38.28282 | -76.5195 | 21 |
| Amateur Radio | General Amateur Radio | 38.28282 | -76.5195 | 21 |
| Amateur Radio | GMRS | 38.28282 | -76.5195 | 21 |
| Amateur Radio | Skywarn | 38.28282 | -76.5195 | 21 |