Universal Licensing System
450RM
Aback Four, LLC
License details
| ULS identifier | 3684678 |
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| Call sign | 450RM |
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| Radio service | AC |
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| Status | E |
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| Grant date | 2015-03-28 |
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| Expiration | 2025-03-28 |
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| Cancellation | 2025-05-31 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:41:19 |
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Licensee
| Name | Aback Four, LLC |
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| Applicant type | L |
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| FRN | 0024461139 |
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| Location | Lake Worth, FL |
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| Address | 9394 Wrangler Drive, Lake Worth, FL, 33467 |
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License history
| Date | File or call sign | Action |
|---|
| 2025-05-31 | 450RM | LIEXP |
| 2024-12-30 | 450RM | LETRES |
| 2015-03-28 | 450RM | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3684678 | 2026-08-02 01:41:19 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 450RM | ULS 3684678 | 2026-08-02 01:41:19 |
| Status | E | ULS 3684678 | 2026-08-02 01:41:19 |
| Service | AC | ULS 3684678 | 2026-08-02 01:41:19 |
| Grant Date | 2015-03-28 | ULS 3684678 | 2026-08-02 01:41:19 |
| Expiration Date | 2025-03-28 | ULS 3684678 | 2026-08-02 01:41:19 |
| Cancellation Date | 2025-05-31 | ULS 3684678 | 2026-08-02 01:41:19 |