Universal Licensing System
WRWZ500
License details
| ULS identifier | 4753268 |
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| Call sign | WRWZ500 |
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| Radio service | ZA |
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| Status | A |
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| Grant date | 2023-04-15 |
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| Expiration | 2033-04-15 |
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| Source archive | l_gmrs.zip |
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| Dataset refreshed | 2026-08-02 02:18:49 |
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Licensee
| Name | Roos, Mark |
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| Applicant type | I |
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| FRN | 0014504500 |
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| Location | Nicasio, CA |
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License history
| Date | File or call sign | Action |
|---|
| 2023-04-15 | WRWZ500 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4753268 | 2026-08-02 02:18:49 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WRWZ500 | ULS 4753268 | 2026-08-02 02:18:49 |
| Status | A | ULS 4753268 | 2026-08-02 02:18:49 |
| Service | ZA | ULS 4753268 | 2026-08-02 02:18:49 |
| Grant Date | 2023-04-15 | ULS 4753268 | 2026-08-02 02:18:49 |
| Expiration Date | 2033-04-15 | ULS 4753268 | 2026-08-02 02:18:49 |