Universal Licensing System
WRMB537
THURSTON 9-1-1 COMMUNICATIONS
License details
| ULS identifier | 4423121 |
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| Call sign | WRMB537 |
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| Radio service | MW |
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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 | 6315.84 - 17875 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | Rochester, THURSTON, WA |
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| Coordinates | 46.8008889, -123.1123611 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:48:19 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 1 | FXO | 6315.84000000 | | | | | |
| 1 | 2 | FXO | 17875.00000000 | | | | | |
| 1 | 2 | FXO | 17875.00000000 | | | | | |
| 1 | 2 | FXO | 17875.00000000 | | | | | |
| 1 | 2 | FXO | 17875.00000000 | | | | | |
| 1 | 2 | FXO | 17875.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 1 | 6315.84000000 | | 30M0D7W |
| 1 | 2 | 17875.00000000 | | 30M0D7W |
| 1 | 2 | 17875.00000000 | | 30M0D7W |
| 1 | 2 | 17875.00000000 | | 30M0D7W |
| 1 | 2 | 17875.00000000 | | 30M0D7W |
| 1 | 2 | 17875.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 10824 Lundeen Rd SW, Rochester, THURSTON, WA | 46.80088889, -123.11236111 | 109.000 m | MTOWER | 30.500 m structure / 33.500 m overall | N |
| 2 | R | | 46.84261111, -122.76402778 | 449.600 m | | | |
| 3 | R | | 46.81263889, -123.17263889 | 31.700 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SB6-W60D | | V | 39.4000 | 80.0000 | | |
| 1 | 2 | R | RFS SB6-W60D | | | 39.4000 | 0.0000 | | |
| 1 | 3 | R | RFS SC2-190B | | | 39.0000 | 0.0000 | | |
| 2 | 1 | T | RFS SC2-190B | | V | 39.0000 | 285.9000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2022-10-03 | WRMB537 | LIMOD |
| 2022-06-22 | WRMB537 | LETCNS |
| 2021-04-13 | WRMB537 | LIAUA |
| 2021-03-16 | WRMB537 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4423121 | 2026-08-02 02:48:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRMB537 | ULS 4423121 | 2026-08-02 02:48:19 |
| Status | A | ULS 4423121 | 2026-08-02 02:48:19 |
| Service | MW | ULS 4423121 | 2026-08-02 02:48:19 |
| Grant Date | 2021-03-16 | ULS 4423121 | 2026-08-02 02:48:19 |
| Expiration Date | 2031-03-16 | ULS 4423121 | 2026-08-02 02:48:19 |