Universal Licensing System
WSML550
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 5285800 |
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| Call sign | WSML550 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2026-04-14 |
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| Expiration | 2036-04-14 |
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| Frequency range | 6197.24 - 6256.54 MHz (2 frequencies) |
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| Locations | 2 |
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| Representative location | SAN SIMEON, SAN LUIS OBISPO, CA |
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| Coordinates | 35.6861944, -121.1711389 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:19 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6197.24000000 | | | | | |
| 1 | 2 | FXO | 6197.24000000 | | | | | |
| 1 | 1 | FXO | 6256.54000000 | | | | | |
| 1 | 2 | FXO | 6256.54000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6197.24000000 | | 30M0D7W |
| 1 | 2 | 6197.24000000 | | 30M0D7W |
| 1 | 1 | 6256.54000000 | | 30M0D7W |
| 1 | 2 | 6256.54000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 750 HEARST CASTLE ROAD DUP, SAN SIMEON, SAN LUIS OBISPO, CA | 35.68619444, -121.17113889 | 470.300 m | MTOWER | 27.700 m structure / 31.400 m overall | |
| 2 | R | | 35.52430556, -121.06188889 | 210.600 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | ANDREW CORPORATION USX6-6W | | H | 38.8000 | 151.1000 | | |
| 1 | 2 | R | ANDREW CORPORATION USX6-6W | | | 38.8000 | | | |
| 2 | 1 | T | ANDREW CORPORATION USX6-6W | | V | 38.8000 | 151.1000 | | |
| 2 | 2 | R | ANDREW CORPORATION USX6-6W | | | 38.8000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-04-14 | WSML550 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5285800 | 2026-08-02 02:47:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSML550 | ULS 5285800 | 2026-08-02 02:47:19 |
| Status | A | ULS 5285800 | 2026-08-02 02:47:19 |
| Service | CF | ULS 5285800 | 2026-08-02 02:47:19 |
| Grant Date | 2026-04-14 | ULS 5285800 | 2026-08-02 02:47:19 |
| Expiration Date | 2036-04-14 | ULS 5285800 | 2026-08-02 02:47:19 |