Universal Licensing System
WROL971
CAHOKIA SCHOOL DISTRICT #187
License details
| ULS identifier | 4518650 |
|---|
| Call sign | WROL971 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2021-11-02 |
|---|
| Expiration | 2031-11-02 |
|---|
| Frequency range | 451.0375 - 466.3 MHz (10 frequencies) |
|---|
| Locations | 10 |
|---|
| Representative location | CAHOKIA, ST. CLAIR, IL |
|---|
| Coordinates | 38.5607222, -90.1540278 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:43 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 451.03750000 | | | 50.000000 | 25.000000 | |
| 2 | 1 | MO | 451.03750000 | | | 4.000000 | 4.000000 | |
| 9 | 1 | FB2 | 451.06250000 | | | 50.000000 | 25.000000 | |
| 10 | 1 | MO | 451.06250000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FB2 | 451.26250000 | | | 50.000000 | 25.000000 | |
| 4 | 1 | MO | 451.26250000 | | | 4.000000 | 4.000000 | |
| 7 | 1 | FB2 | 451.65000000 | | | 50.000000 | 25.000000 | |
| 8 | 1 | MO | 451.65000000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.03750000 | | | 4.000000 | 4.000000 | |
| 10 | 1 | MO | 456.06250000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 456.26250000 | | | 4.000000 | 4.000000 | |
| 8 | 1 | MO | 456.65000000 | | | 4.000000 | 4.000000 | |
| 5 | 1 | FB2 | 461.30000000 | | | 50.000000 | 25.000000 | |
| 6 | 1 | MO | 461.30000000 | | | 4.000000 | 4.000000 | |
| 6 | 1 | MO | 466.30000000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.03750000 | | 7K60FXE |
| 1 | 1 | 451.03750000 | | 7K60FXD |
| 2 | 1 | 451.03750000 | | 7K60FXD |
| 2 | 1 | 451.03750000 | | 7K60FXE |
| 9 | 1 | 451.06250000 | | 7K60FXE |
| 9 | 1 | 451.06250000 | | 7K60FXD |
| 10 | 1 | 451.06250000 | | 7K60FXD |
| 10 | 1 | 451.06250000 | | 7K60FXE |
| 3 | 1 | 451.26250000 | | 7K60FXD |
| 3 | 1 | 451.26250000 | | 7K60FXE |
| 4 | 1 | 451.26250000 | | 7K60FXE |
| 4 | 1 | 451.26250000 | | 7K60FXD |
| 7 | 1 | 451.65000000 | | 7K60FXE |
| 7 | 1 | 451.65000000 | | 7K60FXD |
| 8 | 1 | 451.65000000 | | 7K60FXD |
| 8 | 1 | 451.65000000 | | 7K60FXE |
| 2 | 1 | 456.03750000 | | 7K60FXE |
| 2 | 1 | 456.03750000 | | 7K60FXD |
| 10 | 1 | 456.06250000 | | 7K60FXD |
| 10 | 1 | 456.06250000 | | 7K60FXE |
| 4 | 1 | 456.26250000 | | 7K60FXE |
| 4 | 1 | 456.26250000 | | 7K60FXD |
| 8 | 1 | 456.65000000 | | 7K60FXD |
| 8 | 1 | 456.65000000 | | 7K60FXE |
| 5 | 1 | 461.30000000 | | 7K60FXE |
| 5 | 1 | 461.30000000 | | 7K60FXD |
| 6 | 1 | 461.30000000 | | 7K60FXE |
| 6 | 1 | 461.30000000 | | 7K60FXD |
| 6 | 1 | 466.30000000 | | 7K60FXE |
| 6 | 1 | 466.30000000 | | 7K60FXD |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1820 JEROME LANE, CAHOKIA, ST. CLAIR, IL | 38.56072222, -90.15402778 | 126.000 m | BANT | 6.000 m structure / 8.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | 600 JEROME LANE, CAHOKIA, ST. CLAIR, IL | 38.57288889, -90.17391667 | 126.000 m | BANT | 6.000 m structure / 8.000 m overall | |
| 4 | T | | | | | | |
| 5 | T | 600 ST. ROBERTS, CAHOKIA, ST. CLAIR, IL | 38.56347222, -90.18786111 | 124.000 m | BANT | 6.000 m structure / 8.000 m overall | |
| 6 | T | | | | | | |
| 7 | T | 6702 BOND AVE, EAST ST LOUIS, ST. CLAIR, IL | 38.56666667, -90.10555556 | 127.000 m | BANT | 6.000 m structure / 8.000 m overall | |
| 8 | T | | | | | | |
| 9 | T | 300 ANNNUNCIATION CT., CAHOKIA, ST. CLAIR, IL | 38.55875000, -90.16797222 | 124.300 m | BANT | 6.000 m structure / 8.000 m overall | |
| 10 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 8.000 m | V | | 360.0000 | -12.700 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | 8.000 m | V | | 360.0000 | -10.600 | |
| 1 | 4 | T | | | | | | | |
| 1 | 5 | T | | 8.000 m | V | | 360.0000 | -13.800 | |
| 1 | 6 | T | | | | | | | |
| 1 | 7 | T | | 8.000 m | V | | 360.0000 | -13.700 | |
| 1 | 8 | T | | | | | | | |
| 1 | 9 | T | | 8.000 m | V | | 360.0000 | -14.200 | |
| 1 | 10 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1700 JEROME LANE, CAHOKIA, IL | ST. CLAIR | 6183323700 |
License history
| Date | File or call sign | Action |
|---|
| 2022-10-08 | WROL971 | LETCNS |
| 2021-11-02 | WROL971 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4518650 | 2026-08-02 01:10:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WROL971 | ULS 4518650 | 2026-08-02 01:10:43 |
| Status | A | ULS 4518650 | 2026-08-02 01:10:43 |
| Service | IG | ULS 4518650 | 2026-08-02 01:10:43 |
| Grant Date | 2021-11-02 | ULS 4518650 | 2026-08-02 01:10:43 |
| Expiration Date | 2031-11-02 | ULS 4518650 | 2026-08-02 01:10:43 |