Universal Licensing System
WIL447
CHICAGO TRANSIT AUTHORITY
License details
| ULS identifier | 1920260 |
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| Call sign | WIL447 |
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| Radio service | IG |
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| Status | E |
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| Grant date | 2002-08-13 |
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| Expiration | 2012-11-10 |
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| Cancellation | 2013-01-12 |
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| Frequency range | 470.9875 - 471.0375 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.9294722, -87.7078333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:43 |
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Licensee
| Name | CHICAGO TRANSIT AUTHORITY |
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| Applicant type | G |
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| FRN | 0004830691 |
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| Location | CHICAGO, IL |
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| Address | 120 N. Racine Ave., CHICAGO, IL, 606072010 |
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| Phone | 3127337000 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 470.98750000 | | | 12.000000 | 1.900000 | |
| 2 | 1 | FB2 | 470.98750000 | | | 12.000000 | 1.900000 | |
| 3 | 1 | FB2 | 470.98750000 | | | 12.000000 | 1.900000 | |
| 4 | 1 | FB2 | 470.98750000 | | | 12.000000 | 1.900000 | |
| 5 | 1 | FB2 | 470.98750000 | | | 12.000000 | 1.900000 | |
| 6 | 1 | FB2 | 470.98750000 | | | 12.000000 | 1.900000 | |
| 1 | 1 | FB2 | 471.03750000 | | | 12.000000 | 1.900000 | |
| 2 | 1 | FB2 | 471.03750000 | | | 12.000000 | 1.900000 | |
| 3 | 1 | FB2 | 471.03750000 | | | 12.000000 | 1.900000 | |
| 4 | 1 | FB2 | 471.03750000 | | | 12.000000 | 1.900000 | |
| 5 | 1 | FB2 | 471.03750000 | | | 12.000000 | 1.900000 | |
| 6 | 1 | FB2 | 471.03750000 | | | 12.000000 | 1.900000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 470.98750000 | | 20K0F3E |
| 1 | 1 | 470.98750000 | | 20K0F2D |
| 2 | 1 | 470.98750000 | | 20K0F3E |
| 2 | 1 | 470.98750000 | | 20K0F2D |
| 3 | 1 | 470.98750000 | | 20K0F2D |
| 3 | 1 | 470.98750000 | | 20K0F3E |
| 4 | 1 | 470.98750000 | | 20K0F2D |
| 4 | 1 | 470.98750000 | | 20K0F3E |
| 5 | 1 | 470.98750000 | | 20K0F2D |
| 5 | 1 | 470.98750000 | | 20K0F3E |
| 6 | 1 | 470.98750000 | | 20K0F3E |
| 6 | 1 | 470.98750000 | | 20K0F2D |
| 1 | 1 | 471.03750000 | | 20K0F2D |
| 1 | 1 | 471.03750000 | | 20K0F3E |
| 2 | 1 | 471.03750000 | | 20K0F2D |
| 2 | 1 | 471.03750000 | | 20K0F3E |
| 3 | 1 | 471.03750000 | | 20K0F3E |
| 3 | 1 | 471.03750000 | | 20K0F2D |
| 4 | 1 | 471.03750000 | | 20K0F3E |
| 4 | 1 | 471.03750000 | | 20K0F2D |
| 5 | 1 | 471.03750000 | | 20K0F3E |
| 5 | 1 | 471.03750000 | | 20K0F2D |
| 6 | 1 | 471.03750000 | | 20K0F2D |
| 6 | 1 | 471.03750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | LAKE & CLARK, CHICAGO, COOK, IL | 41.88558333, -87.63255556 | 181.000 m | | | N |
| 2 | T | GRAND & MILWAUKEE, CHICAGO, COOK, IL | 41.89141667, -87.64644444 | 181.000 m | | | N |
| 3 | T | CHICAGO & MILWAUKEE, CHICAGO, COOK, IL | 41.89641667, -87.65450000 | 181.000 m | | | N |
| 4 | T | DIVISION & MILWAUKEE, CHICAGO, COOK, IL | 41.90169444, -87.66727778 | 181.000 m | | | N |
| 5 | T | MILWAUKEE & KEDZIE, CHICAGO, COOK, IL | 41.92947222, -87.70783333 | 182.000 m | | | N |
| 6 | T | BELMONT & KIMBALL, CHICAGO, COOK, IL | 41.93919444, -87.70977778 | 181.000 m | | | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | -14.000 m | | | | 183.000 | |
| 1 | 2 | T | | -14.000 m | | | | 183.000 | |
| 1 | 3 | T | | -14.000 m | | | | 183.000 | |
| 1 | 4 | T | | -14.000 m | | | | 183.000 | |
| 1 | 5 | T | | -7.000 m | | | | 186.000 | |
| 1 | 6 | T | | -7.000 m | | | | 186.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | MERCHANDISE MART PLZ, CHICAGO, IL | | 3126647200 |
License history
| Date | File or call sign | Action |
|---|
| 2013-01-12 | WIL447 | LIEXP |
| 2012-08-20 | WIL447 | LETRES |
| 2006-11-14 | WIL447 | LTSAPR |
| 2006-11-14 | WIL447 | LIAUA |
| 2004-02-20 | WIL447 | AUDOPR |
| 2003-01-24 | WIL447 | LIAUA |
| 2002-08-13 | WIL447 | LIREN |
| 2000-11-24 | WIL447 | LICCNV |
| 1997-10-01 | WIL447 | AUTHPR |
| 1997-10-01 | WIL447 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1920260 | 2026-08-02 01:14:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WIL447 | ULS 1920260 | 2026-08-02 01:14:43 |
| Status | E | ULS 1920260 | 2026-08-02 01:14:43 |
| Service | IG | ULS 1920260 | 2026-08-02 01:14:43 |
| Grant Date | 2002-08-13 | ULS 1920260 | 2026-08-02 01:14:43 |
| Expiration Date | 2012-11-10 | ULS 1920260 | 2026-08-02 01:14:43 |
| Cancellation Date | 2013-01-12 | ULS 1920260 | 2026-08-02 01:14:43 |