Universal Licensing System
WROI928
Los Angeles County FCC Licensing Section
License details
| ULS identifier | 4513835 |
|---|
| Call sign | WROI928 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2021-10-21 |
|---|
| Expiration | 2031-10-21 |
|---|
| Frequency range | 10815 - 11545 MHz (2 frequencies) |
|---|
| Locations | 1 |
|---|
| Coordinates | 34.3528056, -118.4111667 |
|---|
| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:09 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 10815.00000000 | | | | | |
| 1 | 1 | FXO | 10815.00000000 | | | | | |
| 1 | 1 | FXO | 10815.00000000 | | | | | |
| 1 | 1 | FXO | 10815.00000000 | | | | | |
| 1 | 1 | FXO | 10815.00000000 | | | | | |
| 1 | 1 | FXO | 10815.00000000 | | | | | |
| 1 | 1 | FXO | 10815.00000000 | | | | | |
| 1 | 1 | FXO | 10815.00000000 | | | | | |
| 1 | 1 | FXO | 10815.00000000 | | | | | |
| 1 | 1 | FXO | 10815.00000000 | | | | | |
| 1 | 2 | FXO | 11545.00000000 | | | | | |
| 1 | 2 | FXO | 11545.00000000 | | | | | |
| 1 | 2 | FXO | 11545.00000000 | | | | | |
| 1 | 2 | FXO | 11545.00000000 | | | | | |
| 1 | 2 | FXO | 11545.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 10815.00000000 | | 40M0D7W |
| 1 | 1 | 10815.00000000 | | 40M0D7W |
| 1 | 1 | 10815.00000000 | | 40M0D7W |
| 1 | 1 | 10815.00000000 | | 40M0D7W |
| 1 | 1 | 10815.00000000 | | 40M0D7W |
| 1 | 1 | 10815.00000000 | | 40M0D7W |
| 1 | 1 | 10815.00000000 | | 40M0D7W |
| 1 | 1 | 10815.00000000 | | 40M0D7W |
| 1 | 1 | 10815.00000000 | | 40M0D7W |
| 1 | 1 | 10815.00000000 | | 40M0G7W |
| 1 | 2 | 11545.00000000 | | 40M0D7W |
| 1 | 2 | 11545.00000000 | | 40M0D7W |
| 1 | 2 | 11545.00000000 | | 40M0D7W |
| 1 | 2 | 11545.00000000 | | 40M0D7W |
| 1 | 2 | 11545.00000000 | | 40M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 14400 Erwin St, Los Angeles, LOS ANGELES, CA | 34.18277778, -118.44675000 | 214.000 m | B | 58.900 m structure / 58.900 m overall | N |
| 2 | R | | 34.21750000, -118.28313889 | 935.100 m | | | |
| 3 | R | | 34.35280556, -118.41116667 | 1172.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Commscope VHLP6-11WA | | H | 44.0000 | 75.6000 | | |
| 1 | 2 | R | Commscope VHLP6-11WA | | | 44.0000 | 0.0000 | | |
| 1 | 3 | R | Commscope VHLP4-11WA | | | 40.7000 | 0.0000 | | |
| 2 | 1 | T | Commscope VHLP6-11WA | | V | 44.0000 | 9.8000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-25 | WROI928 | LIAUA |
| 2023-08-02 | WROI928 | LETCNS |
| 2023-07-25 | WROI928 | LETCNS |
| 2023-01-24 | WROI928 | LETCNS |
| 2022-04-25 | WROI928 | LIMOD |
| 2021-10-21 | WROI928 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4513835 | 2026-08-02 02:48:09 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WROI928 | ULS 4513835 | 2026-08-02 02:48:09 |
| Status | A | ULS 4513835 | 2026-08-02 02:48:09 |
| Service | MW | ULS 4513835 | 2026-08-02 02:48:09 |
| Grant Date | 2021-10-21 | ULS 4513835 | 2026-08-02 02:48:09 |
| Expiration Date | 2031-10-21 | ULS 4513835 | 2026-08-02 02:48:09 |