Universal Licensing System
581US
NPP INC
License details
| ULS identifier | 2503521 |
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| Call sign | 581US |
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| Radio service | AC |
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| Status | C |
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| Grant date | 2003-04-12 |
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| Expiration | 2013-04-12 |
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| Cancellation | 2013-04-04 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:38:51 |
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Licensee
| Name | NPP INC |
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| Applicant type | C |
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| FRN | 0003819596 |
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| Location | DOVER, DE |
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| Address | 30 OLD RUDNICK LANE, DOVER, DE, 19901 |
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License history
| Date | File or call sign | Action |
|---|
| 2013-04-05 | 581US | LICAN |
| 2013-01-14 | 581US | LETRES |
| 2003-04-12 | 581US | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2503521 | 2026-08-02 01:38:51 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 581US | ULS 2503521 | 2026-08-02 01:38:51 |
| Status | C | ULS 2503521 | 2026-08-02 01:38:51 |
| Service | AC | ULS 2503521 | 2026-08-02 01:38:51 |
| Grant Date | 2003-04-12 | ULS 2503521 | 2026-08-02 01:38:51 |
| Expiration Date | 2013-04-12 | ULS 2503521 | 2026-08-02 01:38:51 |
| Cancellation Date | 2013-04-04 | ULS 2503521 | 2026-08-02 01:38:51 |