Universal Licensing System
KN4OAO
Smithsonian Institution Amateur Radio Group
License details
| ULS identifier | 4067674 |
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| Call sign | KN4OAO |
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| Radio service | HA |
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| Status | C |
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| Grant date | 2018-07-23 |
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| Expiration | 2028-07-23 |
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| Cancellation | 2019-01-01 |
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| Source archive | l_amat.zip |
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| Dataset refreshed | 2026-08-02 02:04:12 |
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Licensee
| Name | Smithsonian Institution Amateur Radio Group |
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| Applicant type | B |
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| FRN | 0027718626 |
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| Location | Purcellville, VA |
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| Address | 828 Mildenhall Ct, Purcellville, VA, 20132 |
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License history
| Date | File or call sign | Action |
|---|
| 2019-01-01 | KN4OAO | LICAN |
| 2018-07-23 | KN4OAO | LIISS |
| 2018-07-23 | KN4OAO | SYSGRT |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 4067674 | 2026-08-02 02:04:12 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | KN4OAO | ULS 4067674 | 2026-08-02 02:04:12 |
| Status | C | ULS 4067674 | 2026-08-02 02:04:12 |
| Service | HA | ULS 4067674 | 2026-08-02 02:04:12 |
| Grant Date | 2018-07-23 | ULS 4067674 | 2026-08-02 02:04:12 |
| Expiration Date | 2028-07-23 | ULS 4067674 | 2026-08-02 02:04:12 |
| Cancellation Date | 2019-01-01 | ULS 4067674 | 2026-08-02 02:04:12 |