Universal Licensing System
WRFM904
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4267961 |
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| Call sign | WRFM904 |
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| Radio service | CF |
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| Status | A |
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| Grant date | 2020-03-31 |
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| Expiration | 2030-03-31 |
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| Frequency range | 17965 - 18115 MHz (4 frequencies) |
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| Locations | 2 |
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| Representative location | Blythe, RIVERSIDE, CA |
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| Coordinates | 33.6092778, -114.6585278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:16 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 3 | FXO | 17965.00000000 | | | | | |
| 1 | 4 | FXO | 18015.00000000 | | | | | |
| 1 | 3 | FXO | 18065.00000000 | | | | | |
| 1 | 4 | FXO | 18115.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 3 | 17965.00000000 | | 46M1D7W |
| 1 | 4 | 18015.00000000 | | 46M1D7W |
| 1 | 3 | 18065.00000000 | | 46M1D7W |
| 1 | 4 | 18115.00000000 | | 46M1D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 14021 W Hobson Wy, Blythe, RIVERSIDE, CA | 33.60927778, -114.65852778 | 80.500 m | MTOWER | 38.100 m structure / 38.100 m overall | |
| 2 | R | | 33.60352778, -114.58822222 | 82.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 3 | 1 | T | ANDREW VHLPX3-18 | | H | 43.5000 | 95.6000 | | |
| 3 | 2 | R | ANDREW VHLPX4-18C | | | 44.7000 | | | |
| 4 | 1 | T | ANDREW VHLPX3-18 | | V | 43.5000 | 95.6000 | | |
| 4 | 2 | R | ANDREW VHLPX4-18C | | | 44.7000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-05-20 | WRFM904 | LIMOD |
| 2025-09-04 | WRFM904 | LIAUA |
| 2025-07-10 | WRFM904 | LIMOD |
| 2025-05-08 | WRFM904 | LETCNS |
| 2024-02-07 | WRFM904 | LIMOD |
| 2024-01-25 | WRFM904 | LIAUA |
| 2023-01-18 | WRFM904 | LIAUA |
| 2023-01-12 | WRFM904 | LIAUA |
| 2020-03-31 | WRFM904 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4267961 | 2026-08-02 02:47:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRFM904 | ULS 4267961 | 2026-08-02 02:47:16 |
| Status | A | ULS 4267961 | 2026-08-02 02:47:16 |
| Service | CF | ULS 4267961 | 2026-08-02 02:47:16 |
| Grant Date | 2020-03-31 | ULS 4267961 | 2026-08-02 02:47:16 |
| Expiration Date | 2030-03-31 | ULS 4267961 | 2026-08-02 02:47:16 |