Illinois Scanner Frequencies
Johnson County
| Frequency | CallSign | DBA/Licensee | City |
| 37.1600 | KNHD243 | ILLINOIS, STATE OF | VIENNA |
| 37.1600 | WSL590 | ILLINOIS, STATE OF | VIENNA |
| 37.3600 | KNHD243 | ILLINOIS, STATE OF | VIENNA |
| 37.3600 | WSL590 | ILLINOIS, STATE OF | VIENNA |
| 39.4600 | KYW823 | ILLINOIS, STATE OF | CYPRESS |
| 39.4600 | WPZQ680 | JOHNSON, COUNTY OF | VIENNA |
| 39.5000 | WPZQ680 | JOHNSON, COUNTY OF | VIENNA |
| 42.5000 | KYW823 | ILLINOIS, STATE OF | CYPRESS |
| 42.5000 | WNCS205 | ILLINOIS, STATE OF | VIENNA |
| 42.5000 | WSL590 | ILLINOIS, STATE OF | VIENNA |
| 42.6000 | KYW823 | ILLINOIS, STATE OF | CYPRESS |
| 42.6000 | WSL590 | ILLINOIS, STATE OF | VIENNA |
| 42.9000 | KYW823 | ILLINOIS, STATE OF | CYPRESS |
| 43.0000 | KNCV714 | JOHNSON INSULATING AND SIDING | GOREVILLE |
| 43.0200 | WRB337 | Southern Illinois Materials Co | BUNCOMBE |