Universal Licensing System
WRKP487
CALIFORNIA, STATE OF
License details
| ULS identifier | 4380542 |
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| Call sign | WRKP487 |
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| Radio service | GE |
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| Status | A |
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| Grant date | 2021-01-26 |
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| Expiration | 2031-01-26 |
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| Frequency range | 856.9875 MHz |
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| Locations | 1 |
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| Representative location | SANTA ROSA, SONOMA, CA |
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| Coordinates | 38.4287500, -122.7681111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:10 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
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| 1 | 1 | FB | 856.98750000 | | | 35.000000 | 44.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
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| 1 | 1 | 856.98750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | NORTH BAY SURVEYS, 4030 OCCIDENTAL RD. STE B, SANTA ROSA, SONOMA, CA | 38.42875000, -122.76811111 | 30.000 m | BPIPE | 3.700 m structure / 6.100 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
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| 1 | 1 | T | | 6.100 m | V | 3.0000 | 360.0000 | -47.100 | |
Control points
| Number | Address | County | Phone |
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| 1 | 4030 OCCIDENTAL RD. STE B, SANTA ROSA, CA | SONOMA | 9166363840 |
License history
| Date | File or call sign | Action |
|---|
| 2021-10-26 | WRKP487 | LETCNS |
| 2021-01-26 | WRKP487 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4380542 | 2026-08-02 01:16:10 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRKP487 | ULS 4380542 | 2026-08-02 01:16:10 |
| Status | A | ULS 4380542 | 2026-08-02 01:16:10 |
| Service | GE | ULS 4380542 | 2026-08-02 01:16:10 |
| Grant Date | 2021-01-26 | ULS 4380542 | 2026-08-02 01:16:10 |
| Expiration Date | 2031-01-26 | ULS 4380542 | 2026-08-02 01:16:10 |