Universal Licensing System
WRDF550
City of West Covina
License details
| ULS identifier | 4150311 |
|---|
| Call sign | WRDF550 |
|---|
| Radio service | MW |
|---|
| Status | A |
|---|
| Grant date | 2019-04-17 |
|---|
| Expiration | 2029-04-17 |
|---|
| Frequency range | 6152.75 - 11555 MHz (4 frequencies) |
|---|
| Locations | 3 |
|---|
| Coordinates | 34.0382222, -117.8900278 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:46:22 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 4 | FXO | 6152.75000000 | | | | | |
| 1 | 4 | FXO | 6152.75000000 | | | | | |
| 1 | 4 | FXO | 6152.75000000 | | | | | |
| 1 | 4 | FXO | 6152.75000000 | | | | | |
| 1 | 4 | FXO | 6152.75000000 | | | | | |
| 1 | 4 | FXO | 6152.75000000 | | | | | |
| 1 | 2 | FXO | 6226.89000000 | | | | | |
| 1 | 2 | FXO | 6226.89000000 | | | | | |
| 1 | 2 | FXO | 6226.89000000 | | | | | |
| 1 | 2 | FXO | 6226.89000000 | | | | | |
| 1 | 2 | FXO | 6226.89000000 | | | | | |
| 1 | 2 | FXO | 6226.89000000 | | | | | |
| 1 | 3 | FXO | 11245.00000000 | | | | | |
| 1 | 3 | FXO | 11245.00000000 | | | | | |
| 1 | 3 | FXO | 11245.00000000 | | | | | |
| 1 | 3 | FXO | 11245.00000000 | | | | | |
| 1 | 3 | FXO | 11245.00000000 | | | | | |
| 1 | 1 | FXO | 11555.00000000 | | | | | |
| 1 | 1 | FXO | 11555.00000000 | | | | | |
| 1 | 1 | FXO | 11555.00000000 | | | | | |
| 1 | 1 | FXO | 11555.00000000 | | | | | |
| 1 | 1 | FXO | 11555.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 4 | 6152.75000000 | | 30M0D7W |
| 1 | 4 | 6152.75000000 | | 30M0D7W |
| 1 | 4 | 6152.75000000 | | 30M0D7W |
| 1 | 4 | 6152.75000000 | | 30M0D7W |
| 1 | 4 | 6152.75000000 | | 30M0D7W |
| 1 | 4 | 6152.75000000 | | 30M0D7W |
| 1 | 2 | 6226.89000000 | | 30M0D7W |
| 1 | 2 | 6226.89000000 | | 30M0D7W |
| 1 | 2 | 6226.89000000 | | 30M0D7W |
| 1 | 2 | 6226.89000000 | | 30M0D7W |
| 1 | 2 | 6226.89000000 | | 30M0D7W |
| 1 | 2 | 6226.89000000 | | 30M0D7W |
| 1 | 3 | 11245.00000000 | | 10M0D7W |
| 1 | 3 | 11245.00000000 | | 10M0D7W |
| 1 | 3 | 11245.00000000 | | 10M0D7W |
| 1 | 3 | 11245.00000000 | | 10M0D7W |
| 1 | 3 | 11245.00000000 | | 10M0D7W |
| 1 | 1 | 11555.00000000 | | 10M0D7W |
| 1 | 1 | 11555.00000000 | | 10M0D7W |
| 1 | 1 | 11555.00000000 | | 10M0D7W |
| 1 | 1 | 11555.00000000 | | 10M0D7W |
| 1 | 1 | 11555.00000000 | | 10M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Sycamore Flats MTwy, San Dimas, LOS ANGELES, CA | 34.15452778, -117.80191667 | 862.000 m | LTOWER | 12.200 m structure / 16.800 m overall | |
| 2 | R | | 34.13469444, -117.86472222 | 235.600 m | | | |
| 3 | R | | 34.03822222, -117.89002778 | 363.300 m | | | |
| 4 | R | | 34.10119444, -117.77127778 | 319.800 m | | | |
| 5 | R | | 34.03247222, -118.09816667 | 171.300 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SC3-W100A | | V | 38.3000 | 249.2000 | | |
| 1 | 2 | R | RFS SC3-W100A | | | 38.3000 | | | |
| 1 | 3 | R | RFS SB6-W60C | | | 39.4000 | | | |
| 1 | 4 | R | RFS SC3-W100A | | | 38.3000 | | | |
| 1 | 5 | R | RFS SB6-W60C | | | 39.4000 | | | |
| 2 | 1 | T | RFS SB6-W60C | | V | 39.4000 | 212.2000 | | |
| 3 | 1 | T | RFS SC3-W100A | | V | 38.3000 | 154.5000 | | |
| 4 | 1 | T | RFS SB6-W60C | | V | 39.4000 | 243.7000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2020-07-10 | WRDF550 | LIMOD |
| 2019-04-17 | WRDF550 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4150311 | 2026-08-02 02:46:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRDF550 | ULS 4150311 | 2026-08-02 02:46:22 |
| Status | A | ULS 4150311 | 2026-08-02 02:46:22 |
| Service | MW | ULS 4150311 | 2026-08-02 02:46:22 |
| Grant Date | 2019-04-17 | ULS 4150311 | 2026-08-02 02:46:22 |
| Expiration Date | 2029-04-17 | ULS 4150311 | 2026-08-02 02:46:22 |