Universal Licensing System
WIL307
Tower Management Company
License details
| ULS identifier | 1645195 |
|---|
| Call sign | WIL307 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2022-04-14 |
|---|
| Expiration | 2032-04-10 |
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| Frequency range | 472.0375 - 475.0375 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| 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 01:21:16 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 472.03750000 | | | 35.000000 | 77.000000 | |
| 2 | 1 | MO | 472.03750000 | | | 25.000000 | 25.000000 | |
| 2 | 1 | MO | 475.03750000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 472.03750000 | | 7K60FXE |
| 1 | 1 | 472.03750000 | | 7K60FXD |
| 2 | 1 | 472.03750000 | | 7K60FXD |
| 2 | 1 | 472.03750000 | | 7K60FXE |
| 2 | 1 | 475.03750000 | | 7K60FXD |
| 2 | 1 | 475.03750000 | | 7K60FXE |
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 |
| 2 | T | | | | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 469.300 m | | | | 469.300 | |
| 1 | 2 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 2 | 655N Calumet Avenue, Valparaiso, IN | PORTER | 2194763133 |
License history
| Date | File or call sign | Action |
|---|
| 2022-04-14 | WIL307 | LIREN |
| 2022-01-17 | WIL307 | LETRES |
| 2020-07-17 | WIL307 | LIMOD |
| 2017-12-08 | WIL307 | LIAUA |
| 2016-06-11 | WIL307 | LIAUA |
| 2016-06-10 | WIL307 | ESCAPR |
| 2016-06-08 | WIL307 | LIASS |
| 2015-05-28 | WIL307 | ESUAPR |
| 2012-04-11 | WIL307 | LIREN |
| 2012-01-16 | WIL307 | LETRES |
| 2005-10-29 | WIL307 | LIAUA |
| 2005-10-28 | WIL307 | ESCAPR |
| 2002-06-03 | WIL307 | AUDOPR |
| 2002-05-24 | WIL307 | LIMOD |
| 2002-04-10 | WIL307 | LIREN |
| 2002-01-14 | WIL307 | LETRES |
| 2001-12-21 | WIL307 | LIASS |
| 2000-11-23 | WIL307 | LICCNV |
| 1997-01-30 | WIL307 | AUTHPR |
| 1997-01-30 | WIL307 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1645195 | 2026-08-02 01:21:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WIL307 | ULS 1645195 | 2026-08-02 01:21:16 |
| Status | A | ULS 1645195 | 2026-08-02 01:21:16 |
| Service | IG | ULS 1645195 | 2026-08-02 01:21:16 |
| Grant Date | 2022-04-14 | ULS 1645195 | 2026-08-02 01:21:16 |
| Expiration Date | 2032-04-10 | ULS 1645195 | 2026-08-02 01:21:16 |