Universal Licensing System
WIL448
Cook Illinois Corporation
License details
| ULS identifier | 1645255 |
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| Call sign | WIL448 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2024-02-07 |
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| Expiration | 2034-02-25 |
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| Frequency range | 472.9125 - 475.9125 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8789167, -87.6361667 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:03 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 472.91250000 | | | 100.000000 | 15.000000 | |
| 3 | 1 | MO | 472.91250000 | | | 45.000000 | 45.000000 | |
| 3 | 1 | MO | 475.91250000 | | | 45.000000 | 45.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 472.91250000 | | 7K60FXE |
| 1 | 1 | 472.91250000 | | 7K60FXD |
| 1 | 1 | 472.91250000 | | 11K2F3E |
| 1 | 1 | 472.91250000 | | 4K00F1W |
| 3 | 1 | 472.91250000 | | 7K60FXE |
| 3 | 1 | 472.91250000 | | 4K00F1W |
| 3 | 1 | 472.91250000 | | 7K60FXD |
| 3 | 1 | 472.91250000 | | 11K2F3E |
| 3 | 1 | 475.91250000 | | 7K60FXE |
| 3 | 1 | 475.91250000 | | 11K2F3E |
| 3 | 1 | 475.91250000 | | 7K60FXD |
| 3 | 1 | 475.91250000 | | 4K00F1W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 233 SOUTH WACKER DRIVE, CHICAGO, COOK, IL | 41.87891667, -87.63616667 | 181.400 m | BTWR | 437.500 m structure / 527.300 m overall | N |
| 3 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 522.000 m | | | | 524.000 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 2100 Clearwater Drive, Oak Brook, IL | DUPAGE | 7085609840 |
License history
| Date | File or call sign | Action |
|---|
| 2024-03-29 | WIL448 | LIMOD |
| 2024-02-07 | WIL448 | LIREN |
| 2015-02-03 | WIL448 | LIMOD |
| 2014-09-04 | WIL448 | LIAUA |
| 2014-09-03 | WIL448 | ESCAPR |
| 2014-04-07 | WIL448 | LIREN |
| 2014-03-06 | WIL448 | ESCAPR |
| 2013-12-02 | WIL448 | LETRES |
| 2012-05-26 | WIL448 | AUTHPR |
| 2012-05-25 | WIL448 | COR |
| 2012-05-25 | WIL448 | INTDUP |
| 2012-05-22 | WIL448 | LIMOD |
| 2012-03-28 | WIL448 | ESCAPR |
| 2008-07-02 | WIL448 | LIAUA |
| 2008-07-01 | WIL448 | ESCAPR |
| 2008-02-16 | WIL448 | LIAUA |
| 2008-02-15 | WIL448 | ESCAPR |
| 2004-05-04 | WIL448 | LIAUA |
| 2004-05-03 | WIL448 | ESCAPR |
| 2004-01-07 | WIL448 | LIAUA |
| 2003-12-01 | WIL448 | LETRES |
| 2002-06-06 | WIL448 | AUDOPR |
| 2000-11-23 | WIL448 | LICCNV |
| 1999-02-24 | WIL448 | AUTHPR |
| 1999-02-24 | WIL448 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1645255 | 2026-08-02 01:14:03 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WIL448 | ULS 1645255 | 2026-08-02 01:14:03 |
| Status | A | ULS 1645255 | 2026-08-02 01:14:03 |
| Service | IG | ULS 1645255 | 2026-08-02 01:14:03 |
| Grant Date | 2024-02-07 | ULS 1645255 | 2026-08-02 01:14:03 |
| Expiration Date | 2034-02-25 | ULS 1645255 | 2026-08-02 01:14:03 |