Universal Licensing System
WRMM720
AT&T Mobility Spectrum LLC
License details
| ULS identifier | 4444045 |
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| Call sign | WRMM720 |
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| Radio service | CF |
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| Status | C |
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| Grant date | 2021-05-04 |
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| Expiration | 2031-05-04 |
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| Cancellation | 2022-10-13 |
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| Frequency range | 6226.89 - 6815 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | Bridgeville, HUMBOLDT, CA |
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| Coordinates | 40.4913889, -123.7150000 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 6226.89000000 | | | | | |
| 1 | 1 | FXO | 6815.00000000 | | | | | |
| 1 | 2 | FXO | 6815.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 6226.89000000 | | 30M0D7W |
| 1 | 1 | 6815.00000000 | | 30M0D7W |
| 1 | 2 | 6815.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 31801 State Hwy 36, Bridgeville, HUMBOLDT, CA | 40.49138889, -123.71500000 | 954.600 m | LTOWER | 55.500 m structure / 59.700 m overall | |
| 2 | R | | 40.42008333, -124.08386111 | 929.900 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS UXA6-W59B RF | | H | 39.1000 | 255.9000 | | |
| 1 | 2 | R | RFS UXA6-W59B RF | | | 39.1000 | | | |
| 2 | 1 | T | RFS UXA6-W59B RF | | V | 39.1000 | 255.9000 | | |
| 2 | 2 | R | RFS UXA6-W59B RF | | | 39.1000 | | | |
| 3 | 1 | T | RFS UXA6-W59B RF | | H | 39.1000 | 255.9000 | | |
| 3 | 2 | R | RFS UXA6-W59B RF | | | 39.1000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-10-14 | WRMM720 | LICAN |
| 2022-10-11 | WRMM720 | LETCNS |
| 2021-05-04 | WRMM720 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4444045 | 2026-08-02 02:47:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMM720 | ULS 4444045 | 2026-08-02 02:47:18 |
| Status | C | ULS 4444045 | 2026-08-02 02:47:18 |
| Service | CF | ULS 4444045 | 2026-08-02 02:47:18 |
| Grant Date | 2021-05-04 | ULS 4444045 | 2026-08-02 02:47:18 |
| Expiration Date | 2031-05-04 | ULS 4444045 | 2026-08-02 02:47:18 |
| Cancellation Date | 2022-10-13 | ULS 4444045 | 2026-08-02 02:47:18 |