Universal Licensing System
WRBQ452
1411 S. MICHIGAN, LLC / GNP MANAGEMENT GROUP AS AGENT
License details
| ULS identifier | 4047829 |
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| Call sign | WRBQ452 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2018-05-21 |
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| Expiration | 2028-05-21 |
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| Frequency range | 452.0875 - 457.0875 MHz (4 frequencies) |
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| Locations | 1 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8638611, -87.6236111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:21:58 |
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Licensee
| Name | 1411 S. MICHIGAN, LLC / GNP MANAGEMENT GROUP AS AGENT |
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| Applicant type | L |
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| FRN | 0027443431 |
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| Location | CHICAGO, IL |
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| Address | 430 N MICHIGAN AVE., CHICAGO, IL, 60611 |
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| Phone | 3123293274 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | MO | 451.31250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.08750000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 452.71250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 456.31250000 | | | 4.000000 | 4.000000 | |
| 1 | 1 | MO | 457.08750000 | | | 4.000000 | 4.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 451.31250000 | | 7K60FXE |
| 1 | 1 | 452.08750000 | | 7K60FXE |
| 1 | 1 | 452.71250000 | | 7K60FXE |
| 1 | 1 | 456.31250000 | | 7K60FXE |
| 1 | 1 | 457.08750000 | | 7K60FXE |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | CHICAGO, COOK, IL | 41.86386111, -87.62361111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 1407 S. MICHIGAN AVE, CHICAGO, IL | COOK | 3123293274 |
License history
| Date | File or call sign | Action |
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| 2019-06-26 | WRBQ452 | LETTRS |
| 2019-06-26 | WRBQ452 | PNLISR |
| 2019-03-27 | WRBQ452 | LETCNS |
| 2018-05-21 | WRBQ452 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4047829 | 2026-08-02 01:21:58 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRBQ452 | ULS 4047829 | 2026-08-02 01:21:58 |
| Status | A | ULS 4047829 | 2026-08-02 01:21:58 |
| Service | IG | ULS 4047829 | 2026-08-02 01:21:58 |
| Grant Date | 2018-05-21 | ULS 4047829 | 2026-08-02 01:21:58 |
| Expiration Date | 2028-05-21 | ULS 4047829 | 2026-08-02 01:21:58 |