Universal Licensing System
WDH4021
License details
| ULS identifier | 3579299 |
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| Call sign | WDH4021 |
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| Radio service | SA |
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| Status | E |
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| Grant date | 2014-04-02 |
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| Expiration | 2024-04-02 |
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| Cancellation | 2024-06-08 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-02 02:55:16 |
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Licensee
| Name | Zimmerman, John A |
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| Applicant type | I |
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| FRN | 0023500036 |
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| Location | Sacramento, CA |
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License history
| Date | File or call sign | Action |
|---|
| 2024-06-08 | WDH4021 | LIEXP |
| 2014-04-15 | WDH4021 | LIAUA |
| 2014-04-02 | WDH4021 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3579299 | 2026-08-02 02:55:16 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDH4021 | ULS 3579299 | 2026-08-02 02:55:16 |
| Status | E | ULS 3579299 | 2026-08-02 02:55:16 |
| Service | SA | ULS 3579299 | 2026-08-02 02:55:16 |
| Grant Date | 2014-04-02 | ULS 3579299 | 2026-08-02 02:55:16 |
| Expiration Date | 2024-04-02 | ULS 3579299 | 2026-08-02 02:55:16 |
| Cancellation Date | 2024-06-08 | ULS 3579299 | 2026-08-02 02:55:16 |