Universal Licensing System
WRMB310
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4422784 |
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| Call sign | WRMB310 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2021-03-16 |
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| Expiration | 2031-03-16 |
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| Frequency range | 6256.54 - 6315.84 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Elbert, ELBERT, CO |
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| Coordinates | 39.1771111, -104.5291389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-24 01:43:10 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6256.54000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6256.54000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 22799 North Ebert Rd., Elbert, ELBERT, CO | 39.17711111, -104.52913889 | 2132.700 m | LTOWER | 91.400 m structure / 92.700 m overall | |
| 2 | R | | 39.04625000, -104.69438889 | 2322.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope USX6-6W | | V | 38.8000 | 224.6000 | | |
| 1 | 2 | R | Commscope USX6-6W | | | 38.8000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-04 | WRMB310 | LIAUA |
| 2024-01-25 | WRMB310 | LIAUA |
| 2023-01-18 | WRMB310 | LIAUA |
| 2023-01-12 | WRMB310 | LIAUA |
| 2022-06-17 | WRMB310 | LIMOD |
| 2021-03-16 | WRMB310 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4422784 | 2026-08-24 01:43:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMB310 | ULS 4422784 | 2026-08-24 01:43:10 |
| Status | A | ULS 4422784 | 2026-08-24 01:43:10 |
| Service | CF | ULS 4422784 | 2026-08-24 01:43:10 |
| Grant Date | 2021-03-16 | ULS 4422784 | 2026-08-24 01:43:10 |
| Expiration Date | 2031-03-16 | ULS 4422784 | 2026-08-24 01:43:10 |