Universal Licensing System
540WS
Bill Stein Aerosports, Inc.
License details
| ULS identifier | 3678258 |
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| Call sign | 540WS |
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| Radio service | AC |
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| Status | E |
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| Grant date | 2015-03-11 |
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| Expiration | 2025-03-11 |
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| Cancellation | 2025-05-17 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:40:43 |
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Licensee
| Name | Bill Stein Aerosports, Inc. |
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| Applicant type | C |
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| FRN | 0024408049 |
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| Location | Aptos, CA |
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| Address | 1941 Dolphin Dr., Aptos, CA, 95003 |
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License history
| Date | File or call sign | Action |
|---|
| 2025-05-17 | 540WS | LIEXP |
| 2024-12-16 | 540WS | LETRES |
| 2015-03-11 | 540WS | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 3678258 | 2026-08-02 01:40:43 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 540WS | ULS 3678258 | 2026-08-02 01:40:43 |
| Status | E | ULS 3678258 | 2026-08-02 01:40:43 |
| Service | AC | ULS 3678258 | 2026-08-02 01:40:43 |
| Grant Date | 2015-03-11 | ULS 3678258 | 2026-08-02 01:40:43 |
| Expiration Date | 2025-03-11 | ULS 3678258 | 2026-08-02 01:40:43 |
| Cancellation Date | 2025-05-17 | ULS 3678258 | 2026-08-02 01:40:43 |