Universal Licensing System
WRKB881
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4361574 |
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| Call sign | WRKB881 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2020-12-08 |
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| Expiration | 2030-12-08 |
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| Frequency range | 5974.85 - 6034.15 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Kalamazoo, KALAMAZOO, MI |
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| Coordinates | 42.2552778, -85.6827778 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:17 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 5974.85000000 | | | | | |
| 1 | 1 | FXO | 6034.15000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 5974.85000000 | | 30M0D7W |
| 1 | 1 | 6034.15000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 6831 Stadium Drive, Kalamazoo, KALAMAZOO, MI | 42.25527778, -85.68277778 | 294.100 m | GTOWER | 84.700 m structure / 84.700 m overall | |
| 2 | R | | 42.13936111, -85.79708333 | 283.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION USX8-6W | | V | 41.6000 | 216.3000 | | |
| 1 | 2 | R | ANDREW CORPORATION USX6-6W | | | 38.8000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-04 | WRKB881 | LIAUA |
| 2024-01-25 | WRKB881 | LIAUA |
| 2023-01-18 | WRKB881 | LIAUA |
| 2023-01-12 | WRKB881 | LIAUA |
| 2021-05-07 | WRKB881 | LIMOD |
| 2020-12-08 | WRKB881 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4361574 | 2026-08-02 02:47:17 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKB881 | ULS 4361574 | 2026-08-02 02:47:17 |
| Status | A | ULS 4361574 | 2026-08-02 02:47:17 |
| Service | CF | ULS 4361574 | 2026-08-02 02:47:17 |
| Grant Date | 2020-12-08 | ULS 4361574 | 2026-08-02 02:47:17 |
| Expiration Date | 2030-12-08 | ULS 4361574 | 2026-08-02 02:47:17 |