Universal Licensing System
WDK7889
Chicago Duffy LLC
License details
| ULS identifier | 4151849 |
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| Call sign | WDK7889 |
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| Radio service | SB |
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| Status | A |
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| Grant date | 2019-04-20 |
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| Expiration | 2029-04-20 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-02 02:57:39 |
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Licensee
| Name | Chicago Duffy LLC |
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| Applicant type | L |
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| FRN | 0028421956 |
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| Location | Chicago, IL |
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| Address | 300 N State St., Chicago, IL, 60654 |
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License history
| Date | File or call sign | Action |
|---|
| 2020-07-23 | WDK7889 | LIMOD |
| 2019-04-20 | WDK7889 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4151849 | 2026-08-02 02:57:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDK7889 | ULS 4151849 | 2026-08-02 02:57:39 |
| Status | A | ULS 4151849 | 2026-08-02 02:57:39 |
| Service | SB | ULS 4151849 | 2026-08-02 02:57:39 |
| Grant Date | 2019-04-20 | ULS 4151849 | 2026-08-02 02:57:39 |
| Expiration Date | 2029-04-20 | ULS 4151849 | 2026-08-02 02:57:39 |