Universal Licensing System
WRAI553
125 S WACKER STREET PROPERTY OWNER LLC
License details
| ULS identifier | 3978668 |
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| Call sign | WRAI553 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2017-11-28 |
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| Expiration | 2027-11-28 |
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| Frequency range | 452.1125 - 457.7 MHz (6 frequencies) |
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| Locations | 4 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8797222, -87.6365833 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:54 |
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Licensee
| Name | 125 S WACKER STREET PROPERTY OWNER LLC |
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| Applicant type | L |
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| FRN | 0026956540 |
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| Location | CHICAGO, IL |
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| Address | 125 S WACKER DR, CHICAGO, IL, 60606 |
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| Phone | 3123465511 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 2 | 1 | MO | 452.11250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | FB2 | 452.70000000 | | | 50.000000 | 30.000000 | |
| 2 | 1 | MO | 452.70000000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 456.46250000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 456.76250000 | | | 4.000000 | 4.000000 | |
| 4 | 1 | MO | 457.18750000 | | | 4.000000 | 4.000000 | |
| 2 | 1 | MO | 457.70000000 | | | 4.000000 | 4.000000 | |
| 3 | 1 | FX1 | 457.70000000 | | | 25.000000 | 25.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 2 | 1 | 452.11250000 | | 7K60F1W |
| 2 | 1 | 452.11250000 | | 11K2F3E |
| 1 | 1 | 452.70000000 | | 11K2F2D |
| 1 | 1 | 452.70000000 | | 11K2F3E |
| 1 | 1 | 452.70000000 | | 7K60F1W |
| 2 | 1 | 452.70000000 | | 11K2F3E |
| 2 | 1 | 452.70000000 | | 7K60F1W |
| 4 | 1 | 456.46250000 | | 7K60F1W |
| 4 | 1 | 456.46250000 | | 11K2F3E |
| 2 | 1 | 456.76250000 | | 7K60F1W |
| 2 | 1 | 456.76250000 | | 11K2F3E |
| 4 | 1 | 457.18750000 | | 11K2F3E |
| 4 | 1 | 457.18750000 | | 7K60F1W |
| 2 | 1 | 457.70000000 | | 7K60F1W |
| 2 | 1 | 457.70000000 | | 11K2F3E |
| 3 | 1 | 457.70000000 | | 7K60F1W |
| 3 | 1 | 457.70000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 125 S WACKER DR, CHICAGO, COOK, IL | 41.87972222, -87.63658333 | 179.000 m | B | 158.000 m structure / 158.000 m overall | |
| 2 | T | COOK, IL | | | | | |
| 3 | T | COOK, IL | | | | | |
| 4 | T | CHICAGO, COOK, IL | 41.87972222, -87.63658333 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 156.000 m | | | | 154.400 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
| 1 | 4 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 125 S WACKER DR, CHICAGO, IL | COOK | 3123465511 |
License history
| Date | File or call sign | Action |
|---|
| 2017-11-28 | WRAI553 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 3978668 | 2026-08-02 01:22:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRAI553 | ULS 3978668 | 2026-08-02 01:22:54 |
| Status | A | ULS 3978668 | 2026-08-02 01:22:54 |
| Service | IG | ULS 3978668 | 2026-08-02 01:22:54 |
| Grant Date | 2017-11-28 | ULS 3978668 | 2026-08-02 01:22:54 |
| Expiration Date | 2027-11-28 | ULS 3978668 | 2026-08-02 01:22:54 |