Universal Licensing System
WDJ4430
The Johns Hopkins University Applied Physics Laboratory
License details
| ULS identifier | 3900528 |
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| Call sign | WDJ4430 |
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| Radio service | SA |
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| Status | A |
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| Grant date | 2017-03-16 |
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| Expiration | 2027-03-16 |
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| Source archive | l_ship.zip |
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| Dataset refreshed | 2026-08-02 02:57:36 |
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Licensee
| Name | The Johns Hopkins University Applied Physics Laboratory |
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| Applicant type | H |
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| FRN | 0025831108 |
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| Location | Laurel, MD |
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| Address | 11100 Johns Hopkins Road, Laurel, MD, 20723 |
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License history
| Date | File or call sign | Action |
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| 2017-03-16 | WDJ4430 | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
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| ULS | 3900528 | 2026-08-02 02:57:36 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | WDJ4430 | ULS 3900528 | 2026-08-02 02:57:36 |
| Status | A | ULS 3900528 | 2026-08-02 02:57:36 |
| Service | SA | ULS 3900528 | 2026-08-02 02:57:36 |
| Grant Date | 2017-03-16 | ULS 3900528 | 2026-08-02 02:57:36 |
| Expiration Date | 2027-03-16 | ULS 3900528 | 2026-08-02 02:57:36 |