Universal Licensing System
WRBU274
Sprint Spectrum, L.P.
License details
| ULS identifier | 4058237 |
|---|
| Call sign | WRBU274 |
|---|
| Radio service | CF |
|---|
| Status | C |
|---|
| Grant date | 2018-06-20 |
|---|
| Expiration | 2028-06-20 |
|---|
| Cancellation | 2019-11-12 |
|---|
| Frequency range | 11625 - 11665 MHz (2 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Silverwood Lake, SAN BERNARDINO, CA |
|---|
| Coordinates | 34.2730833, -117.3304722 |
|---|
| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:00 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 11625.00000000 | | | | | |
| 1 | 1 | FXO | 11625.00000000 | | | | | |
| 1 | 1 | FXO | 11625.00000000 | | | | | |
| 1 | 1 | FXO | 11625.00000000 | | | | | |
| 1 | 1 | FXO | 11625.00000000 | | | | | |
| 1 | 1 | FXO | 11625.00000000 | | | | | |
| 1 | 1 | FXO | 11625.00000000 | | | | | |
| 1 | 1 | FXO | 11625.00000000 | | | | | |
| 1 | 1 | FXO | 11625.00000000 | | | | | |
| 1 | 1 | FXO | 11625.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
| 1 | 2 | FXO | 11665.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 11625.00000000 | | 40M0D7W |
| 1 | 1 | 11625.00000000 | | 40M0D7W |
| 1 | 1 | 11625.00000000 | | 40M0D7W |
| 1 | 1 | 11625.00000000 | | 40M0D7W |
| 1 | 1 | 11625.00000000 | | 40M0D7W |
| 1 | 1 | 11625.00000000 | | 40M0D7W |
| 1 | 1 | 11625.00000000 | | 40M0D7W |
| 1 | 1 | 11625.00000000 | | 40M0D7W |
| 1 | 1 | 11625.00000000 | | 40M0D7W |
| 1 | 1 | 11625.00000000 | | 40M0D7W |
| 1 | 2 | 11665.00000000 | | 40M0D7W |
| 1 | 2 | 11665.00000000 | | 40M0D7W |
| 1 | 2 | 11665.00000000 | | 40M0D7W |
| 1 | 2 | 11665.00000000 | | 40M0D7W |
| 1 | 2 | 11665.00000000 | | 40M0D7W |
| 1 | 2 | 11665.00000000 | | 40M0D7W |
| 1 | 2 | 11665.00000000 | | 40M0D7W |
| 1 | 2 | 11665.00000000 | | 40M0D7W |
| 1 | 2 | 11665.00000000 | | 40M0D7W |
| 1 | 2 | 11665.00000000 | | 40M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Sawpit Creek Rd, Silverwood Lake, SAN BERNARDINO, CA | 34.27308333, -117.33047222 | 1258.300 m | LTOWER | 19.800 m structure / 19.800 m overall | |
| 2 | R | | 34.38586111, -117.31216667 | 1025.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC2-W100A | | V | 34.8000 | 7.7000 | | |
| 1 | 2 | R | RFS SC2-W100A | | | 34.8000 | | | |
| 2 | 1 | T | RFS SC2-W100A | | H | 34.8000 | 7.7000 | | |
| 2 | 2 | R | RFS SC2-W100A | | | 34.8000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2019-11-13 | WRBU274 | LICAN |
| 2019-09-24 | WRBU274 | LETCNS |
| 2018-06-20 | WRBU274 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4058237 | 2026-08-02 02:47:00 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBU274 | ULS 4058237 | 2026-08-02 02:47:00 |
| Status | C | ULS 4058237 | 2026-08-02 02:47:00 |
| Service | CF | ULS 4058237 | 2026-08-02 02:47:00 |
| Grant Date | 2018-06-20 | ULS 4058237 | 2026-08-02 02:47:00 |
| Expiration Date | 2028-06-20 | ULS 4058237 | 2026-08-02 02:47:00 |
| Cancellation Date | 2019-11-12 | ULS 4058237 | 2026-08-02 02:47:00 |