Universal Licensing System
WROI939
BAIConnect
License details
| ULS identifier | 4513846 |
|---|
| Call sign | WROI939 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2021-10-21 |
|---|
| Expiration | 2031-10-21 |
|---|
| Cancellation | 2026-03-02 |
|---|
| Frequency range | 21275 - 21375 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Culver City, LOS ANGELES, CA |
|---|
| Coordinates | 34.0233056, -118.3931944 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:18 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21275.00000000 | | | | | |
| 1 | 1 | FXO | 21275.00000000 | | | | | |
| 1 | 1 | FXO | 21275.00000000 | | | | | |
| 1 | 1 | FXO | 21275.00000000 | | | | | |
| 1 | 1 | FXO | 21275.00000000 | | | | | |
| 1 | 1 | FXO | 21275.00000000 | | | | | |
| 1 | 1 | FXO | 21275.00000000 | | | | | |
| 1 | 1 | FXO | 21275.00000000 | | | | | |
| 1 | 1 | FXO | 21275.00000000 | | | | | |
| 1 | 1 | FXO | 21275.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 21275.00000000 | | 50M0D7W |
| 1 | 1 | 21275.00000000 | | 50M0D7W |
| 1 | 1 | 21275.00000000 | | 50M0D7W |
| 1 | 1 | 21275.00000000 | | 50M0D7W |
| 1 | 1 | 21275.00000000 | | 50M0D7W |
| 1 | 1 | 21275.00000000 | | 50M0D7W |
| 1 | 1 | 21275.00000000 | | 50M0D7W |
| 1 | 1 | 21275.00000000 | | 50M0D7W |
| 1 | 1 | 21275.00000000 | | 50M0D7W |
| 1 | 1 | 21275.00000000 | | 50M0G7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0G7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3926 Van Buren Pl, Culver City, LOS ANGELES, CA | 34.02330556, -118.39319444 | 30.700 m | B | 29.000 m structure / 29.000 m overall | |
| 2 | R | | 34.05647222, -118.41466667 | 92.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | MTI Wireless Edge Ltd. MT536M49VH/AV | | V | 40.0000 | 331.7000 | | |
| 1 | 2 | R | MTI Wireless Edge Ltd. MT536M49VH/AV | | | 40.0000 | 0.0000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-03-04 | WROI939 | LICAN |
| 2025-09-23 | WROI939 | LITRAN |
| 2023-10-13 | WROI939 | LIAUA |
| 2023-04-25 | WROI939 | LIAUA |
| 2021-10-21 | WROI939 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4513846 | 2026-08-02 02:48:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WROI939 | ULS 4513846 | 2026-08-02 02:48:18 |
| Status | C | ULS 4513846 | 2026-08-02 02:48:18 |
| Service | CF | ULS 4513846 | 2026-08-02 02:48:18 |
| Grant Date | 2021-10-21 | ULS 4513846 | 2026-08-02 02:48:18 |
| Expiration Date | 2031-10-21 | ULS 4513846 | 2026-08-02 02:48:18 |
| Cancellation Date | 2026-03-02 | ULS 4513846 | 2026-08-02 02:48:18 |