9 assignments found (± 0.0125 MHz)
| Frequency (MHz) | Callsign | Licensee | Service | Location | Emission | Power |
|---|---|---|---|---|---|---|
| 497.4 MHz | KGA247 | Frederick Police Department | PW | — | 8 | 75.0 |
| 497.4 MHz | WPLP650 | LAO | IG | — | 2 | 50.0 |
| 497.4 MHz | KTL460 | State of Maryland - DoIT | YW | Unknown County, Maryland | 2 | 40.0 |
| 497.4 MHz | KTL460 | State of Maryland - DoIT | YW | Unknown County, Maryland | 2 | 40.0 |
| 497.4 MHz | KTL460 | State of Maryland - DoIT | YW | Unknown County, Maryland | 2 | 40.0 |
| 497.4 MHz | WQAI431 | APCO International Inc Licensing Service | YW | — | 2 | 40.0 |
| 497.4 MHz | KTL460 | State of Maryland - DoIT | YW | — | 2 | 40.0 |
| 497.4 MHz | KTL460 | State of Maryland - DoIT | YW | — | 2 | 40.0 |
| 497.4 MHz | KTL460 | State of Maryland - DoIT | YW | — | 2 | 40.0 |