Universal Licensing System
WIL445
CHICAGO TRANSIT AUTHORITY
License details
| ULS identifier | 1920258 |
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| Call sign | WIL445 |
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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 - 473.9875 MHz (3 frequencies) |
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| Locations | 5 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8744722, -87.6272778 |
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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 | |
| 1 | 1 | FB2 | 471.11250000 | | | 12.000000 | 1.900000 | |
| 2 | 1 | FB2 | 471.11250000 | | | 12.000000 | 1.900000 | |
| 3 | 1 | FB2 | 471.11250000 | | | 12.000000 | 1.900000 | |
| 4 | 1 | FX1 | 473.98750000 | | | 30.000000 | 50.000000 | |
| 5 | 1 | FX1 | 473.98750000 | | | 30.000000 | 50.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 470.98750000 | | 20K0F2D |
| 1 | 1 | 470.98750000 | | 20K0F3E |
| 2 | 1 | 470.98750000 | | 20K0F3E |
| 2 | 1 | 470.98750000 | | 20K0F2D |
| 3 | 1 | 470.98750000 | | 20K0F2D |
| 3 | 1 | 470.98750000 | | 20K0F3E |
| 1 | 1 | 471.11250000 | | 20K0F3E |
| 1 | 1 | 471.11250000 | | 20K0F2D |
| 2 | 1 | 471.11250000 | | 20K0F2D |
| 2 | 1 | 471.11250000 | | 20K0F3E |
| 3 | 1 | 471.11250000 | | 20K0F2D |
| 3 | 1 | 471.11250000 | | 20K0F3E |
| 4 | 1 | 473.98750000 | | 20K0F3E |
| 5 | 1 | 473.98750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | HARRISON & STATE, CHICAGO, COOK, IL | 41.87447222, -87.62727778 | 182.000 m | | | N |
| 2 | T | WASHINGTON & STATE, CHICAGO, COOK, IL | 41.87891667, -87.62783333 | 182.000 m | | | N |
| 3 | T | CHICAGO & STATE, CHICAGO, COOK, IL | 41.89641667, -87.62811111 | 180.000 m | | | N |
| 4 | T | 1200 W WASHINGTON, CHICAGO, COOK, IL | 41.88308333, -87.64866667 | 181.000 m | | 22.000 m structure | N |
| 5 | T | 188 N STATE, CHICAGO, COOK, IL | 41.88558333, -87.62783333 | 181.000 m | | 6.000 m structure | N |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | -12.000 m | | | | 183.000 | |
| 1 | 2 | T | | -12.000 m | | | | 183.000 | |
| 1 | 3 | T | | -12.000 m | | | | 184.000 | |
| 1 | 4 | T | | 5.000 m | | | | 5.000 | |
| 1 | 5 | T | | 6.000 m | | | | 6.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | MERCHANDISE MART PLZ, CHICAGO, IL | | 3126647200 |
License history
| Date | File or call sign | Action |
|---|
| 2013-01-12 | WIL445 | LIEXP |
| 2012-08-20 | WIL445 | LETRES |
| 2006-11-14 | WIL445 | LTSAPR |
| 2006-11-14 | WIL445 | LIAUA |
| 2004-02-20 | WIL445 | AUDOPR |
| 2003-01-24 | WIL445 | LIAUA |
| 2002-08-13 | WIL445 | LIREN |
| 2000-11-24 | WIL445 | LICCNV |
| 1997-10-01 | WIL445 | AUTHPR |
| 1997-10-01 | WIL445 | LIREN |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1920258 | 2026-08-02 01:14:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WIL445 | ULS 1920258 | 2026-08-02 01:14:43 |
| Status | E | ULS 1920258 | 2026-08-02 01:14:43 |
| Service | IG | ULS 1920258 | 2026-08-02 01:14:43 |
| Grant Date | 2002-08-13 | ULS 1920258 | 2026-08-02 01:14:43 |
| Expiration Date | 2012-11-10 | ULS 1920258 | 2026-08-02 01:14:43 |
| Cancellation Date | 2013-01-12 | ULS 1920258 | 2026-08-02 01:14:43 |