Universal Licensing System
WRKH474
Santa Clara, County of
License details
| ULS identifier | 4370403 |
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| Call sign | WRKH474 |
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| Radio service | PW |
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| Status | C |
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| Grant date | 2021-07-08 |
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| Expiration | 2031-04-15 |
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| Cancellation | 2026-03-02 |
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| Frequency range | 482.8625 - 485.8625 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | FREMONT, ALAMEDA, CA |
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| Coordinates | 37.4805000, -121.8599444 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:14:56 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB2 | 482.86250000 | | | 60.000000 | 235.000000 | |
| 2 | 1 | FB2S | 482.86250000 | | | 60.000000 | 200.000000 | |
| 3 | 1 | FB2 | 482.86250000 | | | 60.000000 | 251.000000 | |
| 4 | 1 | MO | 482.86250000 | | | 75.000000 | 170.000000 | |
| 3 | 1 | FX1 | 485.86250000 | | | 12.000000 | 72.000000 | |
| 4 | 1 | MO | 485.86250000 | | | 75.000000 | 170.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 482.86250000 | | 20K0F3E |
| 1 | 1 | 482.86250000 | | 11K2F3E |
| 2 | 1 | 482.86250000 | | 11K2F3E |
| 2 | 1 | 482.86250000 | | 20K0F3E |
| 3 | 1 | 482.86250000 | | 20K0F3E |
| 3 | 1 | 482.86250000 | | 11K2F3E |
| 4 | 1 | 482.86250000 | | 20K0F3E |
| 4 | 1 | 482.86250000 | | 11K2F3E |
| 3 | 1 | 485.86250000 | | 20K0F3E |
| 3 | 1 | 485.86250000 | | 11K2F3E |
| 4 | 1 | 485.86250000 | | 20K0F3E |
| 4 | 1 | 485.86250000 | | 11K2F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | MISSION RIDGE, FREMONT, ALAMEDA, CA | 37.48050000, -121.85994444 | 724.000 m | | 18.000 m structure / 18.000 m overall | |
| 2 | T | 777 BELLEW DR, MILPITAS, SANTA CLARA, CA | 37.42355556, -121.91994444 | 6.000 m | | 61.000 m structure / 61.000 m overall | |
| 3 | T | 1275 N MILPITAS BLVD, MILPITAS, SANTA CLARA, CA | 37.43605556, -121.91772222 | 4.000 m | | 18.000 m structure / 18.000 m overall | |
| 4 | T | | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 24.000 m | | | | 486.000 | |
| 1 | 2 | T | | 43.000 m | | | | -77.000 | |
| 1 | 3 | T | | 18.000 m | | | | -109.000 | |
| 1 | 4 | T | | | | | | | |
License history
| Date | File or call sign | Action |
|---|
| 2026-03-03 | WRKH474 | LICAN |
| 2021-07-20 | WRKH474 | LIAUA |
| 2021-07-08 | WRKH474 | LIREN |
| 2021-06-21 | WRKH474 | LETRES |
| 2021-06-13 | WRKH474 | ESURNW |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4370403 | 2026-08-02 01:14:56 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRKH474 | ULS 4370403 | 2026-08-02 01:14:56 |
| Status | C | ULS 4370403 | 2026-08-02 01:14:56 |
| Service | PW | ULS 4370403 | 2026-08-02 01:14:56 |
| Grant Date | 2021-07-08 | ULS 4370403 | 2026-08-02 01:14:56 |
| Expiration Date | 2031-04-15 | ULS 4370403 | 2026-08-02 01:14:56 |
| Cancellation Date | 2026-03-02 | ULS 4370403 | 2026-08-02 01:14:56 |