Universal Licensing System
WRTU257
Downey Unified School District
License details
| ULS identifier | 4639591 |
|---|
| Call sign | WRTU257 |
|---|
| Radio service | IG |
|---|
| Status | A |
|---|
| Grant date | 2022-07-26 |
|---|
| Expiration | 2032-07-26 |
|---|
| Frequency range | 462.9 MHz |
|---|
| Locations | 1 |
|---|
| Representative location | Downey, LOS ANGELES, CA |
|---|
| Coordinates | 33.9394444, -118.1252778 |
|---|
| Source archive | l_LMpriv.zip |
|---|
| Dataset refreshed | 2026-08-02 01:23:53 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 462.90000000 | | | 40.000000 | 40.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 462.90000000 | | 11K2F1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11040 Brookshire Ave, Downey, LOS ANGELES, CA | 33.93944444, -118.12527778 | 36.000 m | B | 9.000 m structure / 9.000 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 2.000 m | | | | -13.000 | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 11040 Brookshire Ave, Downey, CA | LOS ANGELES | 5624696701 |
License history
| Date | File or call sign | Action |
|---|
| 2022-07-26 | WRTU257 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4639591 | 2026-08-02 01:23:53 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRTU257 | ULS 4639591 | 2026-08-02 01:23:53 |
| Status | A | ULS 4639591 | 2026-08-02 01:23:53 |
| Service | IG | ULS 4639591 | 2026-08-02 01:23:53 |
| Grant Date | 2022-07-26 | ULS 4639591 | 2026-08-02 01:23:53 |
| Expiration Date | 2032-07-26 | ULS 4639591 | 2026-08-02 01:23:53 |