Universal Licensing System
WROF620
Snohomish County 911
License details
| ULS identifier | 4508342 |
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| Call sign | WROF620 |
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| Radio service | MW |
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| Status | A |
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| Grant date | 2021-10-06 |
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| Expiration | 2031-10-06 |
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| Frequency range | 10835 - 11155 MHz (2 frequencies) |
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| Locations | 3 |
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| Representative location | MARYSVILLE, SNOHOMISH, WA |
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| Coordinates | 48.1236667, -122.2514444 |
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| Source archive | l_micro.zip |
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| Dataset refreshed | 2026-08-02 02:44:54 |
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Frequency assignments
| Location | Antenna | Station class | Assigned MHz | Upper MHz | Carrier MHz | Output W | ERP W | Altitude |
|---|
| 1 | 2 | FXO | 10835.00000000 | | | | | |
| 1 | 1 | FXO | 11155.00000000 | | | | | |
Emission designators
| Location | Antenna | Frequency MHz | Upper MHz | Emission |
|---|
| 1 | 2 | 10835.00000000 | | 30M0D7W |
| 1 | 1 | 11155.00000000 | | 30M0D7W |
Licensed locations
| Location | Type | Address | Coordinates | Ground elevation | Structure | Height | NEPA |
|---|
| 1 | T | 1401 140th St NW, MARYSVILLE, SNOHOMISH, WA | 48.12366667, -122.25144444 | 171.900 m | LTOWER | 91.400 m structure / 96.000 m overall | N |
| 2 | R | | 47.96750000, -122.22333333 | 114.900 m | | | |
| 3 | R | | 48.28886111, -122.22333333 | 297.400 m | | | |
Antennas
| Location | Antenna | Type | Make / model | Height | Polarization | Gain dB | Azimuth | Radiation center | Maximum EIRP W |
|---|
| 1 | 1 | T | RFS SBX6-W100C | | V | 43.5000 | 173.1000 | | |
| 1 | 2 | R | RFS SBX6-W100C | | | 43.5000 | 0.0000 | | |
| 1 | 3 | R | RFS SBX6-W100C | | | 43.5000 | 0.0000 | | |
| 2 | 1 | T | ANDREW VHLPX6-11WA | | H | 44.0000 | 6.5000 | | |
License history
| Date | File or call sign | Action |
|---|
| 2025-06-16 | WROF620 | LIMOD |
| 2023-01-04 | WROF620 | LETCNS |
| 2021-10-06 | WROF620 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4508342 | 2026-08-02 02:44:54 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
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| Call Sign | WROF620 | ULS 4508342 | 2026-08-02 02:44:54 |
| Status | A | ULS 4508342 | 2026-08-02 02:44:54 |
| Service | MW | ULS 4508342 | 2026-08-02 02:44:54 |
| Grant Date | 2021-10-06 | ULS 4508342 | 2026-08-02 02:44:54 |
| Expiration Date | 2031-10-06 | ULS 4508342 | 2026-08-02 02:44:54 |