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| Entity | Entity Type |
|---|---|
| Calvert County Trunked Systems (10) | Trunked |
| Calvert County Amateur Radio | Amateur Radio |
| Calvert County | Category |
| Businesses | Business Group |
| Chesapeake Ranch Airport | Aircraft / Airport |
Frequencies
Calvert County
Calvert, County of
| Calvert County Project 25 Phase II | County operations are on this system. |