Universal Licensing System
WRMB540
SAN JUAN, COUNTY OF
License details
| ULS identifier | 4423124 |
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| Call sign | WRMB540 |
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| Radio service | GE |
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| Status | A |
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| Grant date | 2021-03-16 |
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| Expiration | 2031-03-16 |
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| Frequency range | 809.6875 - 854.6875 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | OLGA, SAN JUAN, WA |
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| Coordinates | 48.6179167, -122.8241111 |
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| Source archive | l_LMpriv.zip |
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| Dataset refreshed | 2026-08-02 01:26:08 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 3 | 1 | MO | 809.68750000 | | | 30.000000 | 30.000000 | |
| 1 | 1 | FB2 | 854.68750000 | | | 30.000000 | 30.000000 | |
| 2 | 1 | FB2 | 854.68750000 | | | 30.000000 | 30.000000 | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 3 | 1 | 809.68750000 | | 20K0F3E |
| 1 | 1 | 854.68750000 | | 20K0F3E |
| 2 | 1 | 854.68750000 | | 20K0F3E |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
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| 1 | T | 440 OBSTRUCTION PASS RD, OLGA, SAN JUAN, WA | 48.61791667, -122.82411111 | 30.900 m | UPOLE | 25.500 m structure / 26.500 m overall | |
| 2 | T | 1400 S NUGENT ROAD, LUMMI ISLAND, SAN JUAN, WA | 48.69025000, -122.66747222 | 222.400 m | UPOLE | 25.500 m structure / 26.500 m overall | |
| 3 | T | SAN JUAN, WA | | | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | | 26.500 m | V | | 270.0000 | 2.900 | |
| 1 | 2 | T | | 26.500 m | V | | 225.0000 | 217.800 | |
| 1 | 3 | T | | | | | | | |
Control points
| Number | Address | County | Phone |
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| 1 | 350 COURT ST #5, FRIDAY HARBOR, WA | SAN JUAN | 3603700587 |
License history
| Date | File or call sign | Action |
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| 2022-04-12 | WRMB540 | LETCNS |
| 2022-02-17 | WRMB540 | PLAUPR |
| 2021-12-14 | WRMB540 | LETCNS |
| 2021-03-16 | WRMB540 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4423124 | 2026-08-02 01:26:08 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WRMB540 | ULS 4423124 | 2026-08-02 01:26:08 |
| Status | A | ULS 4423124 | 2026-08-02 01:26:08 |
| Service | GE | ULS 4423124 | 2026-08-02 01:26:08 |
| Grant Date | 2021-03-16 | ULS 4423124 | 2026-08-02 01:26:08 |
| Expiration Date | 2031-03-16 | ULS 4423124 | 2026-08-02 01:26:08 |