Universal Licensing System
4AT
Gifford, David K
License details
| ULS identifier | 2402400 |
|---|
| Call sign | 4AT |
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| Radio service | AC |
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| Status | T |
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| Grant date | 2012-02-25 |
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| Expiration | 2022-04-17 |
|---|
| Cancellation | 2022-05-25 |
|---|
| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:38:23 |
|---|
Licensee
| Name | Gifford, David K |
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| Applicant type | I |
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| FRN | 0006862882 |
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| Location | Cambridge, MA |
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License history
| Date | File or call sign | Action |
|---|
| 2022-05-25 | 4AT | LITERM |
| 2022-01-24 | 4AT | LETRES |
| 2018-05-01 | 4AT | LIAUA |
| 2012-02-25 | 4AT | LIREN |
| 2012-01-23 | 4AT | LETRES |
| 2008-01-12 | 4AT | LIAUA |
| 2002-04-17 | 4AT | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2402400 | 2026-08-02 01:38:23 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 4AT | ULS 2402400 | 2026-08-02 01:38:23 |
| Status | T | ULS 2402400 | 2026-08-02 01:38:23 |
| Service | AC | ULS 2402400 | 2026-08-02 01:38:23 |
| Grant Date | 2012-02-25 | ULS 2402400 | 2026-08-02 01:38:23 |
| Expiration Date | 2022-04-17 | ULS 2402400 | 2026-08-02 01:38:23 |
| Cancellation Date | 2022-05-25 | ULS 2402400 | 2026-08-02 01:38:23 |