Universal Licensing System
WRWM903
UNION PACIFIC RAILROAD COMPANY
License details
| ULS identifier | 4735864 |
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| Call sign | WRWM903 |
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| Radio service | MG |
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| Status | A |
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| Grant date | 2023-03-09 |
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| Expiration | 2033-03-09 |
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| Frequency range | 17815 MHz |
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| Locations | 2 |
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| Representative location | SANTA FE SPRINGS, LOS ANGELES, CA |
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| Coordinates | 33.9592778, -118.0620278 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:45:21 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 17815.00000000 | | | | | |
| 1 | 1 | FXO | 17815.00000000 | | | | | |
| 1 | 1 | FXO | 17815.00000000 | | | | | |
| 1 | 1 | FXO | 17815.00000000 | | | | | |
| 1 | 1 | FXO | 17815.00000000 | | | | | |
| 1 | 1 | FXO | 17815.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 17815.00000000 | | 30M0G7W |
| 1 | 1 | 17815.00000000 | | 30M0D7W |
| 1 | 1 | 17815.00000000 | | 30M0D7W |
| 1 | 1 | 17815.00000000 | | 30M0D7W |
| 1 | 1 | 17815.00000000 | | 30M0D7W |
| 1 | 1 | 17815.00000000 | | 30M0D7W |
| 1 | 1 | 17815.00000000 | | 30M0D7W |
| 1 | 1 | 17815.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 8636 SORENSON, SANTA FE SPRINGS, LOS ANGELES, CA | 33.95927778, -118.06202778 | 45.200 m | LTOWER | 24.400 m structure / 24.400 m overall | |
| 2 | R | | 33.95944444, -118.07711111 | 44.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope VHLP2-18C | | V | 39.0000 | 270.8000 | | |
| 1 | 2 | R | Commscope VHLP2-18C | | | 39.0000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 1400 DOUGLAS ST. STOP 0650, OMAHA, NE | DOUGLAS | 4025441777 |
License history
| Date | File or call sign | Action |
|---|
| 2024-06-11 | WRWM903 | LETCNS |
| 2023-10-12 | WRWM903 | LIAUA |
| 2023-03-09 | WRWM903 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4735864 | 2026-08-02 02:45:21 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWM903 | ULS 4735864 | 2026-08-02 02:45:21 |
| Status | A | ULS 4735864 | 2026-08-02 02:45:21 |
| Service | MG | ULS 4735864 | 2026-08-02 02:45:21 |
| Grant Date | 2023-03-09 | ULS 4735864 | 2026-08-02 02:45:21 |
| Expiration Date | 2033-03-09 | ULS 4735864 | 2026-08-02 02:45:21 |