Universal Licensing System
WBY25
CBS BROADCASTING INC.
License details
| ULS identifier | 971847 |
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| Call sign | WBY25 |
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| Radio service | TI |
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| Status | C |
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| Grant date | 1991-12-31 |
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| Cancellation | 2011-08-09 |
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| Frequency range | 19570 MHz |
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| Locations | 1 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8789167, -87.6361389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:43:38 |
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Licensee
| Name | CBS BROADCASTING INC. |
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| Applicant type | C |
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| FRN | 0003482189 |
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| Location | WASHINGTON, DC |
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| Address | 1800 K STREET NW SUITE 920, WASHINGTON, DC, 20006 |
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| Phone | 2024574518 |
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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 | 19570.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 19570.00000000 | | 20M0F9W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | SEARS BLDG, S WACKER DR & JACKSON BLVD, CHICAGO, COOK, IL | 41.87891667, -87.63613889 | 181.400 m | | 475.200 m structure / 435.900 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | | V | | 42.0000 | | |
| 2 | 1 | R | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2011-08-09 | WBY25 | LICAN |
| 2011-03-09 | WBY25 | PNACT |
| 2011-03-02 | WBY25 | AUTHPR |
| 2011-03-01 | WBY25 | LIMOD |
| 2007-09-19 | WBY25 | LIAUA |
| 2007-08-27 | WBY25 | ESUAPR |
| 2006-04-05 | WBY25 | PNACT |
| 2006-03-30 | WBY25 | LIMOD |
| 2006-03-30 | WBY25 | AUTHPR |
| 2003-01-29 | WBY25 | PNACT |
| 2003-01-22 | WBY25 | AUTHPR |
| 2003-01-21 | WBY25 | LIMOD |
| 2002-03-08 | WBY25 | LIAUA |
| 2000-12-05 | WBY25 | COR |
| 1999-08-13 | WBY25 | LICCNV |
| 1998-10-06 | WBY25 | COR |
| 1997-03-24 | WBY25 | COR |
| 1996-01-24 | WBY25 | COR |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 971847 | 2026-08-02 02:43:38 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WBY25 | ULS 971847 | 2026-08-02 02:43:38 |
| Status | C | ULS 971847 | 2026-08-02 02:43:38 |
| Service | TI | ULS 971847 | 2026-08-02 02:43:38 |
| Grant Date | 1991-12-31 | ULS 971847 | 2026-08-02 02:43:38 |
| Cancellation Date | 2011-08-09 | ULS 971847 | 2026-08-02 02:43:38 |