Universal Licensing System
WRBL570
BOB, LLC
License details
| ULS identifier | 4036899 |
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| Call sign | WRBL570 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2018-04-20 |
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| Expiration | 2028-04-20 |
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| Cancellation | 2026-01-14 |
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| Frequency range | 19400 MHz |
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| Locations | 2 |
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| Representative location | Chicago, COOK, IL |
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| Coordinates | 41.6763889, -87.5769444 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:46:45 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FXO | 19400.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 19400.00000000 | | 36M7D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 12100 S Stony Island Ave, Chicago, COOK, IL | 41.67638889, -87.57694444 | 180.000 m | BMAST | 15.000 m structure / 18.000 m overall | |
| 2 | R | | 41.79222222, -87.58388889 | 183.800 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 | 357.4000 | | |
| 1 | 2 | R | Commscope VHLP2-18C | | | 39.0000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-01-15 | WRBL570 | LICAN |
| 2025-08-04 | WRBL570 | LITRAN |
| 2025-08-01 | WRBL570 | LITRAN |
| 2025-04-23 | WRBL570 | LITRAN |
| 2024-05-11 | WRBL570 | LIAUA |
| 2020-10-24 | WRBL570 | LITRAN |
| 2020-09-21 | WRBL570 | LITRAN |
| 2020-08-05 | WRBL570 | LIAUA |
| 2018-06-09 | WRBL570 | LIAUA |
| 2018-04-20 | WRBL570 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4036899 | 2026-08-02 02:46:45 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBL570 | ULS 4036899 | 2026-08-02 02:46:45 |
| Status | C | ULS 4036899 | 2026-08-02 02:46:45 |
| Service | CF | ULS 4036899 | 2026-08-02 02:46:45 |
| Grant Date | 2018-04-20 | ULS 4036899 | 2026-08-02 02:46:45 |
| Expiration Date | 2028-04-20 | ULS 4036899 | 2026-08-02 02:46:45 |
| Cancellation Date | 2026-01-14 | ULS 4036899 | 2026-08-02 02:46:45 |