Universal Licensing System
WIJ481
SAN MATEO, COUNTY OF
License details
| ULS identifier | 1222173 |
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| Call sign | WIJ481 |
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| Radio service | PW |
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| Status | C |
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| Grant date | 2011-05-05 |
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| Expiration | 2021-07-01 |
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| Cancellation | 2015-09-25 |
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| Frequency range | 482.3125 - 485.3125 MHz (2 frequencies) |
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| Locations | 5 |
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| Representative location | MONTARA, SAN MATEO, CA |
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| Coordinates | 37.5613333, -122.4777500 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:09:32 |
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Licensee
| Name | SAN MATEO, COUNTY OF |
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| Applicant type | G |
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| FRN | 0001539840 |
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| Location | REDWOOD CITY, CA |
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| Address | 501 WINSLOW ST, REDWOOD CITY, CA, 94603 |
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| Phone | 6503634442 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 482.31250000 | | | 90.000000 | 250.000000 | |
| 2 | 1 | FB2 | 482.31250000 | | | 90.000000 | 250.000000 | |
| 3 | 1 | FB2 | 482.31250000 | | | 90.000000 | 250.000000 | |
| 4 | 1 | FB2 | 482.31250000 | | | 90.000000 | 250.000000 | |
| 5 | 1 | MO | 482.31250000 | | | 40.000000 | 40.000000 | |
| 5 | 1 | MO | 482.31250000 | | | 5.000000 | 5.000000 | |
| 5 | 1 | MO | 485.31250000 | | | 40.000000 | 40.000000 | |
| 5 | 1 | MO | 485.31250000 | | | 5.000000 | 5.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 482.31250000 | | 11K3F3E |
| 1 | 1 | 482.31250000 | | 20K0F3E |
| 2 | 1 | 482.31250000 | | 20K0F3E |
| 2 | 1 | 482.31250000 | | 11K3F3E |
| 3 | 1 | 482.31250000 | | 11K3F3E |
| 3 | 1 | 482.31250000 | | 20K0F3E |
| 4 | 1 | 482.31250000 | | 20K0F3E |
| 4 | 1 | 482.31250000 | | 11K3F3E |
| 5 | 1 | 482.31250000 | | 20K0F3E |
| 5 | 1 | 482.31250000 | | 11K3F3E |
| 5 | 1 | 482.31250000 | | 20K0F3E |
| 5 | 1 | 482.31250000 | | 11K3F3E |
| 5 | 1 | 485.31250000 | | 20K0F3E |
| 5 | 1 | 485.31250000 | | 11K3F3E |
| 5 | 1 | 485.31250000 | | 11K3F3E |
| 5 | 1 | 485.31250000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | N PEAK MONTARA RIDGE, MONTARA, SAN MATEO, CA | 37.56133333, -122.47775000 | 603.000 m | | | N |
| 2 | T | PIGEON POINT, PESCADERO, SAN MATEO, CA | 37.18133333, -122.56108333 | 1.000 m | | | N |
| 3 | T | PISE HILL, SAN MATEO, SAN MATEO, CA | 37.45550000, -122.34080556 | 594.000 m | | | N |
| 4 | T | ROLPH HILL, LA HONDA, SAN MATEO, CA | 37.32883333, -122.21275000 | 747.000 m | | | N |
| 5 | T | SAN MATEO, CA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 15.000 m | | | | 482.000 | |
| 1 | 2 | T | | 15.000 m | | | | 39.000 | |
| 1 | 3 | T | | 15.000 m | | | | 423.000 | |
| 1 | 4 | T | | 15.000 m | | | | 336.000 | |
| 1 | 5 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 401 MARSHALL ST, REDWOOD CITY, CA | | 4153634911 |
License history
| Date | File or call sign | Action |
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| 2015-09-26 | WIJ481 | LICAN |
| 2011-12-16 | WIJ481 | LIMOD |
| 2011-12-15 | WIJ481 | ESCAPR |
| 2011-05-05 | WIJ481 | LIREN |
| 2011-04-04 | WIJ481 | LETRES |
| 2002-01-16 | WIJ481 | AUDOPR |
| 2001-04-03 | WIJ481 | LIREN |
| 2000-10-20 | WIJ481 | LICCNV |
| 1996-05-17 | WIJ481 | LIREN |
| 1996-05-17 | WIJ481 | AUTHPR |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 1222173 | 2026-08-02 01:09:32 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WIJ481 | ULS 1222173 | 2026-08-02 01:09:32 |
| Status | C | ULS 1222173 | 2026-08-02 01:09:32 |
| Service | PW | ULS 1222173 | 2026-08-02 01:09:32 |
| Grant Date | 2011-05-05 | ULS 1222173 | 2026-08-02 01:09:32 |
| Expiration Date | 2021-07-01 | ULS 1222173 | 2026-08-02 01:09:32 |
| Cancellation Date | 2015-09-25 | ULS 1222173 | 2026-08-02 01:09:32 |