Universal Licensing System
WSKF257
Caltrans, California DOT
License details
| ULS identifier | 5204000 |
|---|
| Call sign | WSKF257 |
|---|
| Radio service | PF |
|---|
| Status | A |
|---|
| Grant date | 2025-09-25 |
|---|
| Expiration | 2035-09-25 |
|---|
| Frequency range | 4950 MHz |
|---|
| Locations | 3 |
|---|
| Representative location | Rancho Bernardo, SAN DIEGO, CA |
|---|
| Coordinates | 32.9401111, -117.1108333 |
|---|
| Source archive | l_micro.zip |
|---|
| Dataset refreshed | 2026-08-02 02:47:00 |
|---|
Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 4950.00000000 | | | | | |
| 1 | 2 | FXO | 4950.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 4950.00000000 | | 20M0D7D |
| 1 | 2 | 4950.00000000 | | 20M0D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | Rancho Bernardo, SAN DIEGO, CA | 32.94011111, -117.11083333 | 133.800 m | UPOLE | 9.100 m structure / 10.000 m overall | |
| 2 | R | | 32.96236111, -117.09688889 | 164.900 m | | | |
| 3 | R | | 32.96236111, -117.09647222 | 166.100 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Proxim QB825 | | S | 19.0000 | 360.0000 | | |
| 1 | 2 | R | Proxim QB825 | | | 19.0000 | | | |
| 1 | 3 | R | Proxim QB825 | | | 19.0000 | | | |
| 2 | 1 | T | Proxim QB825 | | S | 19.0000 | 360.0000 | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 7183 Opportunity Rd, San Diego, CA | SAN DIEGO | 8584674324 |
License history
| Date | File or call sign | Action |
|---|
| 2025-09-25 | WSKF257 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5204000 | 2026-08-02 02:47:00 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSKF257 | ULS 5204000 | 2026-08-02 02:47:00 |
| Status | A | ULS 5204000 | 2026-08-02 02:47:00 |
| Service | PF | ULS 5204000 | 2026-08-02 02:47:00 |
| Grant Date | 2025-09-25 | ULS 5204000 | 2026-08-02 02:47:00 |
| Expiration Date | 2035-09-25 | ULS 5204000 | 2026-08-02 02:47:00 |