Universal Licensing System
WSIY220
Dublin San Ramon Services District
License details
| ULS identifier | 5158924 |
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| Call sign | WSIY220 |
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| Radio service | PF |
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| Status | A |
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| Grant date | 2025-07-01 |
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| Expiration | 2035-07-01 |
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| Frequency range | 4942.5 MHz |
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| Locations | 2 |
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| Representative location | Dublin, ALAMEDA, CA |
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| Coordinates | 37.7023611, -121.9509167 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:47:32 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 4942.50000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 4942.50000000 | | 9M10D7D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 11222 BETLEN DR, Dublin, ALAMEDA, CA | 37.70236111, -121.95091667 | 187.500 m | B | 40.000 m structure / 40.000 m overall | |
| 2 | R | | 37.70375000, -121.94547222 | 125.000 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | Cambium Networks 85009324001 | | S | 17.0000 | 45.0000 | | |
| 1 | 2 | R | Cambium Netowrks C050045C002 | | | 23.0000 | | | |
Control points
| Number | Address | County | Phone |
|---|
| 1 | 7051 DUBLIN BLVD, Dublin, CA | ALAMEDA | 9258752222 |
License history
| Date | File or call sign | Action |
|---|
| 2025-07-01 | WSIY220 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5158924 | 2026-08-02 02:47:32 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WSIY220 | ULS 5158924 | 2026-08-02 02:47:32 |
| Status | A | ULS 5158924 | 2026-08-02 02:47:32 |
| Service | PF | ULS 5158924 | 2026-08-02 02:47:32 |
| Grant Date | 2025-07-01 | ULS 5158924 | 2026-08-02 02:47:32 |
| Expiration Date | 2035-07-01 | ULS 5158924 | 2026-08-02 02:47:32 |