Universal Licensing System
WCZ4458
License details
| ULS identifier | 1569723 |
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| Call sign | WCZ4458 |
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| Radio service | SB |
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| Status | E |
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| Grant date | 2009-05-27 |
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| Expiration | 2019-08-09 |
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| Cancellation | 2019-10-12 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-02 02:54:37 |
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Licensee
| Name | CHANG, CHRISTOPHER |
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| Applicant type | I |
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| FRN | 0004366092 |
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| Location | San Francisco, CA |
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License history
| Date | File or call sign | Action |
|---|
| 2019-10-12 | WCZ4458 | LIEXP |
| 2019-05-20 | WCZ4458 | LETRES |
| 2009-05-27 | WCZ4458 | LIAUA |
| 2009-05-27 | WCZ4458 | LIREN |
| 2009-05-26 | WCZ4458 | ESCFRN |
| 2009-05-18 | WCZ4458 | LETRES |
| 2000-11-17 | WCZ4458 | LICCNV |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 1569723 | 2026-08-02 02:54:37 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WCZ4458 | ULS 1569723 | 2026-08-02 02:54:37 |
| Status | E | ULS 1569723 | 2026-08-02 02:54:37 |
| Service | SB | ULS 1569723 | 2026-08-02 02:54:37 |
| Grant Date | 2009-05-27 | ULS 1569723 | 2026-08-02 02:54:37 |
| Expiration Date | 2019-08-09 | ULS 1569723 | 2026-08-02 02:54:37 |
| Cancellation Date | 2019-10-12 | ULS 1569723 | 2026-08-02 02:54:37 |