Universal Licensing System
WRKK830
Southwest Central Dispatch
License details
| ULS identifier | 4375207 |
|---|
| Call sign | WRKK830 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2021-01-15 |
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| Expiration | 2031-01-15 |
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| Frequency range | 17815 MHz |
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| Locations | 2 |
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| Representative location | Lemont, COOK, IL |
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| Coordinates | 41.6576111, -87.9995556 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:11 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17815.00000000 | | | | | |
| 1 | 1 | FXO | 17815.00000000 | | | | | |
| 1 | 1 | FXO | 17815.00000000 | | | | | |
| 1 | 1 | FXO | 17815.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17815.00000000 | | 50M0D7W |
| 1 | 1 | 17815.00000000 | | 50M0D7W |
| 1 | 1 | 17815.00000000 | | 50M0D7W |
| 1 | 1 | 17815.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | State Street and 127th St, Lemont, COOK, IL | 41.65761111, -87.99955556 | 229.500 m | TANK | 38.700 m structure / 41.700 m overall | |
| 2 | R | | 41.66786111, -87.99069444 | 226.200 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope VHLP2-18C | | H | 39.0000 | 33.0000 | | |
| 1 | 2 | R | Commscope VHLP2-18C | | | 39.0000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2021-01-15 | WRKK830 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4375207 | 2026-08-02 02:46:11 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKK830 | ULS 4375207 | 2026-08-02 02:46:11 |
| Status | A | ULS 4375207 | 2026-08-02 02:46:11 |
| Service | MW | ULS 4375207 | 2026-08-02 02:46:11 |
| Grant Date | 2021-01-15 | ULS 4375207 | 2026-08-02 02:46:11 |
| Expiration Date | 2031-01-15 | ULS 4375207 | 2026-08-02 02:46:11 |