Universal Licensing System
WRBM474
CALIFORNIA, STATE OF
License details
| ULS identifier | 4039517 |
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| Call sign | WRBM474 |
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| Radio service | PW |
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| Status | A |
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| Grant date | 2018-04-30 |
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| Expiration | 2028-04-30 |
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| Frequency range | 1.61 MHz |
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| Locations | 2 |
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| Representative location | LAKEHEAD, SHASTA, CA |
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| Coordinates | 40.8866944, -122.3840000 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:16:11 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FB | 1.61000000 | | | 10.000000 | 10.000000 | |
| 2 | 1 | FB | 1.61000000 | | | 10.000000 | 10.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 1.61000000 | | 6K00A3E |
| 2 | 1 | 1.61000000 | | 6K00A3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | I-5 @ EXIT 702, LAKEHEAD, SHASTA, CA | 40.88669444, -122.38400000 | 365.800 m | POLE | 14.900 m structure / 14.900 m overall | |
| 2 | T | I-5 @ POLLARD FLATS, LAKEHEAD, SHASTA, CA | 40.99300000, -122.42169444 | 487.700 m | POLE | 14.900 m structure / 14.900 m overall | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 14.900 m | V | 0.0000 | 360.0000 | -288.000 | |
| 1 | 2 | T | | 14.900 m | V | 0.0000 | 360.0000 | -476.000 | |
Control points
| Number | Address | County | Phone |
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| 1 | 1657 RIVERSIDE DRIVE, REDDING, CA | SHASTA | 9166579999 |
License history
| Date | File or call sign | Action |
|---|
| 2021-02-05 | WRBM474 | LIAUA |
| 2019-02-16 | WRBM474 | LETCNS |
| 2018-04-30 | WRBM474 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4039517 | 2026-08-02 01:16:11 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRBM474 | ULS 4039517 | 2026-08-02 01:16:11 |
| Status | A | ULS 4039517 | 2026-08-02 01:16:11 |
| Service | PW | ULS 4039517 | 2026-08-02 01:16:11 |
| Grant Date | 2018-04-30 | ULS 4039517 | 2026-08-02 01:16:11 |
| Expiration Date | 2028-04-30 | ULS 4039517 | 2026-08-02 01:16:11 |