Universal Licensing System
WRDD554
ABM
License details
| ULS identifier | 4145141 |
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| Call sign | WRDD554 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-04-02 |
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| Expiration | 2029-04-02 |
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| Frequency range | 452.7125 - 469.8125 MHz (7 frequencies) |
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| Locations | 3 |
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| Representative location | CHICAGO, COOK, IL |
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| Coordinates | 41.8950556, -87.6221111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:22:36 |
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Licensee
| Name | ABM |
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| Applicant type | C |
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| FRN | 0028086353 |
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| Location | CHICAGO, IL |
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| Address | 222 EAST HURON, CHICAGO, IL, 60611 |
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| Phone | 3125037275 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 452.71250000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 452.83750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.83750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 457.88750000 | | | 5.000000 | 5.000000 | |
| 3 | 1 | MO | 462.38750000 | | | 5.000000 | 5.000000 | |
| 1 | 1 | FB2 | 464.81250000 | | | 50.000000 | 50.000000 | |
| 2 | 1 | MO | 464.81250000 | | | 5.000000 | 5.000000 | |
| 2 | 1 | MO | 469.81250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 452.71250000 | | 7K60FXE |
| 3 | 1 | 452.71250000 | | 11K2F3E |
| 3 | 1 | 452.83750000 | | 11K2F3E |
| 3 | 1 | 452.83750000 | | 7K60FXE |
| 3 | 1 | 457.83750000 | | 11K2F3E |
| 3 | 1 | 457.83750000 | | 7K60FXE |
| 3 | 1 | 457.88750000 | | 11K2F3E |
| 3 | 1 | 457.88750000 | | 7K60FXE |
| 3 | 1 | 462.38750000 | | 11K2F3E |
| 3 | 1 | 462.38750000 | | 7K60FXE |
| 1 | 1 | 464.81250000 | | 11K2F3E |
| 1 | 1 | 464.81250000 | | 7K60FXE |
| 2 | 1 | 464.81250000 | | 11K2F3E |
| 2 | 1 | 464.81250000 | | 7K60FXE |
| 2 | 1 | 469.81250000 | | 7K60FXE |
| 2 | 1 | 469.81250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 222 EAST HURON, CHICAGO, COOK, IL | 41.89505556, -87.62211111 | 180.000 m | BANT | 33.000 m structure / 33.000 m overall | |
| 2 | T | | | | | | |
| 3 | T | 222 EAST HURON, CHICAGO, COOK, IL | 41.89505556, -87.62211111 | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 33.000 m | | | | 32.000 | |
| 1 | 2 | T | | | | | | | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 222 EAST HURON, CHICAGO, IL | COOK | 3125037275 |
License history
| Date | File or call sign | Action |
|---|
| 2019-04-02 | WRDD554 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4145141 | 2026-08-02 01:22:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDD554 | ULS 4145141 | 2026-08-02 01:22:36 |
| Status | A | ULS 4145141 | 2026-08-02 01:22:36 |
| Service | IG | ULS 4145141 | 2026-08-02 01:22:36 |
| Grant Date | 2019-04-02 | ULS 4145141 | 2026-08-02 01:22:36 |
| Expiration Date | 2029-04-02 | ULS 4145141 | 2026-08-02 01:22:36 |