Universal Licensing System
WRTI871
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4625172 |
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| Call sign | WRTI871 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2022-06-22 |
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| Expiration | 2032-06-22 |
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| Frequency range | 10975 - 11095 MHz (4 frequencies) |
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| Locations | 3 |
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| Representative location | STERLING, ARENAC, MI |
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| Coordinates | 44.0329444, -84.0478611 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:12 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 10975.00000000 | | | | | |
| 1 | 4 | FXO | 10975.00000000 | | | | | |
| 1 | 1 | FXO | 11015.00000000 | | | | | |
| 1 | 3 | FXO | 11015.00000000 | | | | | |
| 1 | 2 | FXO | 11055.00000000 | | | | | |
| 1 | 1 | FXO | 11095.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 10975.00000000 | | 40M0D7W |
| 1 | 4 | 10975.00000000 | | 40M0D7W |
| 1 | 1 | 11015.00000000 | | 40M0D7W |
| 1 | 3 | 11015.00000000 | | 40M0D7W |
| 1 | 2 | 11055.00000000 | | 40M0D7W |
| 1 | 1 | 11095.00000000 | | 40M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1858 Kuehn Road, STERLING, ARENAC, MI | 44.03294444, -84.04786111 | 234.100 m | LTOWER | 90.200 m structure / 94.500 m overall | |
| 2 | R | | 44.01094444, -83.91988889 | 188.700 m | | | |
| 3 | R | | 44.08666667, -84.08761111 | 235.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION USX6-11W | | H | 43.6000 | 103.4000 | | |
| 1 | 2 | R | ANDREW CORPORATION VHLPX6-11A | | | 43.8000 | | | |
| 2 | 1 | T | ANDREW CORPORATION USX6-11W | | V | 43.6000 | 103.4000 | | |
| 2 | 2 | R | ANDREW CORPORATION VHLPX6-11A | | | 43.8000 | | | |
| 3 | 1 | T | RFS UXA4-107D RF | | V | 40.4000 | 331.9000 | | |
| 3 | 3 | R | ANDREW CORPORATION VHLPX3-11WA | | | 38.5000 | | | |
| 4 | 1 | T | RFS UXA4-107D RF | | H | 40.4000 | 331.9000 | | |
| 4 | 3 | R | ANDREW CORPORATION VHLPX3-11WA | | | 38.5000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-04 | WRTI871 | LIAUA |
| 2024-01-25 | WRTI871 | LIAUA |
| 2023-01-18 | WRTI871 | LIAUA |
| 2023-01-12 | WRTI871 | LIAUA |
| 2022-06-22 | WRTI871 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4625172 | 2026-08-02 02:47:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRTI871 | ULS 4625172 | 2026-08-02 02:47:12 |
| Status | A | ULS 4625172 | 2026-08-02 02:47:12 |
| Service | CF | ULS 4625172 | 2026-08-02 02:47:12 |
| Grant Date | 2022-06-22 | ULS 4625172 | 2026-08-02 02:47:12 |
| Expiration Date | 2032-06-22 | ULS 4625172 | 2026-08-02 02:47:12 |