Universal Licensing System
WRBU557
TTX
License details
| ULS identifier | 4059177 |
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| Call sign | WRBU557 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2018-06-22 |
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| Expiration | 2028-06-22 |
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| Frequency range | 151.85 - 160.005 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8008333, -87.6361111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:10:19 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 151.85000000 | | | 25.000000 | 15.000000 | |
| 2 | 1 | MO | 151.85000000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 160.00500000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 151.85000000 | | 7K60FXE |
| 1 | 1 | 151.85000000 | | 11K3F3E |
| 2 | 1 | 151.85000000 | | 11K3F3E |
| 2 | 1 | 151.85000000 | | 7K60FXE |
| 2 | 1 | 160.00500000 | | 11K3F3E |
| 2 | 1 | 160.00500000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 361 WEST 47TH STREET, CHICAGO, COOK, IL | 41.80083333, -87.63611111 | 609.000 m | B | 6.000 m structure / 6.100 m overall | |
| 2 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 6.100 m | | | | 7.000 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 101 NORTH WACKER DRIVE, CHICAGO, IL | COOK | 3129842650 |
License history
| Date | File or call sign | Action |
|---|
| 2018-06-22 | WRBU557 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4059177 | 2026-08-02 01:10:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBU557 | ULS 4059177 | 2026-08-02 01:10:19 |
| Status | A | ULS 4059177 | 2026-08-02 01:10:19 |
| Service | IG | ULS 4059177 | 2026-08-02 01:10:19 |
| Grant Date | 2018-06-22 | ULS 4059177 | 2026-08-02 01:10:19 |
| Expiration Date | 2028-06-22 | ULS 4059177 | 2026-08-02 01:10:19 |