Universal Licensing System
WRMX227
LOS ANGELES, COUNTY OF
License details
| ULS identifier | 4460832 |
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| Call sign | WRMX227 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2021-06-17 |
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| Expiration | 2031-06-17 |
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| Frequency range | 477.2 - 477.95 MHz (2 frequencies) |
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| Locations | 1 |
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| Representative location | CASTAIC, LOS ANGELES, CA |
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| Coordinates | 34.4680278, -118.6008611 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:09 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB | 477.20000000 | | | 100.000000 | 190.000000 | |
| 1 | 1 | FB2 | 477.20000000 | | | 100.000000 | 190.000000 | |
| 1 | 1 | FB2 | 477.95000000 | | | 100.000000 | 190.000000 | |
| 1 | 1 | FB | 477.95000000 | | | 100.000000 | 190.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 477.20000000 | | 11K2F3E |
| 1 | 1 | 477.20000000 | | 11K2F3E |
| 1 | 1 | 477.95000000 | | 11K2F3E |
| 1 | 1 | 477.95000000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 29330 THE OLD ROAD, CASTAIC, LOS ANGELES, CA | 34.46802778, -118.60086111 | 387.000 m | TANK | 20.000 m structure / 21.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 20.000 m | V | 3.0000 | | -110.500 | |
Control points
| Number | Address | County | Phone |
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| 1 | 1277 N EASTERN AVE, LOS ANGELES, CA | LOS ANGELES | 3238818100 |
License history
| Date | File or call sign | Action |
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| 2025-07-24 | WRMX227 | LIAUA |
| 2025-05-03 | WRMX227 | LIAUA |
| 2022-09-13 | WRMX227 | LETCNS |
| 2022-09-09 | WRMX227 | PLAUPR |
| 2022-06-14 | WRMX227 | LETCNS |
| 2022-06-08 | WRMX227 | PLAUPR |
| 2022-03-22 | WRMX227 | LETCNS |
| 2021-06-17 | WRMX227 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4460832 | 2026-08-02 01:14:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRMX227 | ULS 4460832 | 2026-08-02 01:14:09 |
| Status | A | ULS 4460832 | 2026-08-02 01:14:09 |
| Service | PW | ULS 4460832 | 2026-08-02 01:14:09 |
| Grant Date | 2021-06-17 | ULS 4460832 | 2026-08-02 01:14:09 |
| Expiration Date | 2031-06-17 | ULS 4460832 | 2026-08-02 01:14:09 |