Universal Licensing System
WRWW388
AT&T Mobility Spectrum, LLC
License details
| ULS identifier | 4748489 |
|---|
| Call sign | WRWW388 |
|---|
| Radio service | CF |
|---|
| Status | A |
|---|
| Grant date | 2023-04-04 |
|---|
| Expiration | 2033-04-04 |
|---|
| Frequency range | 21275 - 21425 MHz (4 frequencies) |
|---|
| Locations | 2 |
|---|
| Representative location | Colusa, COLUSA, CA |
|---|
| Coordinates | 39.2164722, -122.0011111 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:18 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 21275.00000000 | | | | | |
| 1 | 2 | FXO | 21325.00000000 | | | | | |
| 1 | 1 | FXO | 21375.00000000 | | | | | |
| 1 | 2 | FXO | 21425.00000000 | | | | | |
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 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 50M0D7W |
| 1 | 2 | 21325.00000000 | | 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 | | 50M0D7W |
| 1 | 1 | 21375.00000000 | | 50M0D7W |
| 1 | 2 | 21425.00000000 | | 50M0D7W |
| 1 | 2 | 21425.00000000 | | 50M0D7W |
| 1 | 2 | 21425.00000000 | | 50M0D7W |
| 1 | 2 | 21425.00000000 | | 50M0D7W |
| 1 | 2 | 21425.00000000 | | 50M0D7W |
| 1 | 2 | 21425.00000000 | | 50M0D7W |
| 1 | 2 | 21425.00000000 | | 50M0D7W |
| 1 | 2 | 21425.00000000 | | 50M0D7W |
| 1 | 2 | 21425.00000000 | | 50M0D7W |
| 1 | 2 | 21425.00000000 | | 50M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 3341 River Road, Colusa, COLUSA, CA | 39.21647222, -122.00111111 | 19.500 m | MTOWER | 33.500 m structure / 35.100 m overall | |
| 2 | R | | 39.19683333, -121.99786111 | 15.800 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SCX2-220CB | | H | 41.1000 | 172.7000 | | |
| 1 | 2 | R | RFS SCX2-220CB | | | 41.1000 | | | |
| 2 | 1 | T | RFS SCX2-220CB | | V | 41.1000 | 172.7000 | | |
| 2 | 2 | R | RFS SCX2-220CB | | | 41.1000 | | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-04 | WRWW388 | LIAUA |
| 2024-01-25 | WRWW388 | LIAUA |
| 2023-04-04 | WRWW388 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4748489 | 2026-08-02 02:47:18 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWW388 | ULS 4748489 | 2026-08-02 02:47:18 |
| Status | A | ULS 4748489 | 2026-08-02 02:47:18 |
| Service | CF | ULS 4748489 | 2026-08-02 02:47:18 |
| Grant Date | 2023-04-04 | ULS 4748489 | 2026-08-02 02:47:18 |
| Expiration Date | 2033-04-04 | ULS 4748489 | 2026-08-02 02:47:18 |