Universal Licensing System
WRDS674
University of California, Berkeley/Berkeley Seismology Lab
License details
| ULS identifier | 4178576 |
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| Call sign | WRDS674 |
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| Radio service | IG |
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| Status | A |
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| Grant date | 2019-07-11 |
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| Expiration | 2029-07-11 |
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| Frequency range | 151.715 - 159.795 MHz (2 frequencies) |
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| Locations | 4 |
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| Representative location | YAGER JUNCTION, HUMBOLDT, CA |
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| Coordinates | 40.5438333, -123.8803333 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:21:55 |
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Licensee
| Name | University of California, Berkeley/Berkeley Seismology Lab |
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| Applicant type | G |
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| FRN | 0027392174 |
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| Location | BERKELEY, CA |
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| Address | 307 McCone Hall, BERKELEY, CA, 94720 |
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| Phone | 5106423977 |
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| Email | [email protected] |
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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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| 3 | 1 | FB | 151.71500000 | | | 2.000000 | 20.000000 | |
| 4 | 1 | FB | 151.71500000 | | | 2.000000 | 20.000000 | |
| 1 | 1 | FB | 159.79500000 | | | 2.000000 | 20.000000 | |
| 2 | 1 | FB | 159.79500000 | | | 2.000000 | 20.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 151.71500000 | | 16K4F1D |
| 3 | 1 | 151.71500000 | | 18K0D1D |
| 3 | 1 | 151.71500000 | | 18K0G1D |
| 4 | 1 | 151.71500000 | | 18K0D1D |
| 4 | 1 | 151.71500000 | | 16K4F1D |
| 4 | 1 | 151.71500000 | | 18K0G1D |
| 1 | 1 | 159.79500000 | | 16K4F1D |
| 1 | 1 | 159.79500000 | | 18K0D1D |
| 1 | 1 | 159.79500000 | | 18K0G1D |
| 2 | 1 | 159.79500000 | | 16K4F1D |
| 2 | 1 | 159.79500000 | | 18K0G1D |
| 2 | 1 | 159.79500000 | | 18K0D1D |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 4.8 KM WEST OF YAGER JUNCTION, YAGER JUNCTION, HUMBOLDT, CA | 40.54383333, -123.88033333 | 1040.000 m | LTOWER | 6.000 m structure / 6.000 m overall | |
| 2 | T | 7.1 KM SW OF STAFFORD, STAFFORD, HUMBOLDT, CA | 40.41702778, -124.12061111 | 916.000 m | LTOWER | 2.400 m structure / 2.400 m overall | |
| 3 | T | 3.1 KM SE OF DINSMORES, DINSMORES, HUMBOLDT, CA | 40.70952778, -123.70341667 | 1291.000 m | LTOWER | 3.000 m structure / 3.000 m overall | |
| 4 | T | 9.5 KM NORTH OF JANES PLACE, JANES PLACE, HUMBOLDT, CA | 40.87441667, -123.73111111 | 1487.000 m | LTOWER | 6.000 m structure / 6.000 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 | | 6.000 m | | 10.0000 | | 527.500 | |
| 1 | 2 | T | | 2.400 m | | 10.0000 | | 511.500 | |
| 1 | 3 | T | | 3.000 m | | 10.0000 | | 325.500 | |
| 1 | 4 | T | | 6.000 m | | 10.0000 | | 758.300 | |
Control points
| Number | Address | County | Phone |
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| 1 | 307 MCCONE HALL, BERKELEY, CA | ALAMEDA | 5106423977 |
License history
| Date | File or call sign | Action |
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| 2019-07-11 | WRDS674 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 4178576 | 2026-08-02 01:21:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRDS674 | ULS 4178576 | 2026-08-02 01:21:55 |
| Status | A | ULS 4178576 | 2026-08-02 01:21:55 |
| Service | IG | ULS 4178576 | 2026-08-02 01:21:55 |
| Grant Date | 2019-07-11 | ULS 4178576 | 2026-08-02 01:21:55 |
| Expiration Date | 2029-07-11 | ULS 4178576 | 2026-08-02 01:21:55 |