Universal Licensing System
421TM
WF Construction, Inc
License details
| ULS identifier | 2870368 |
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| Call sign | 421TM |
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| Radio service | AC |
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| Status | E |
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| Grant date | 2006-12-29 |
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| Expiration | 2016-12-29 |
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| Cancellation | 2017-03-04 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:39:22 |
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Licensee
| Name | WF Construction, Inc |
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| Applicant type | C |
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| FRN | 0015904378 |
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| Location | San Dimas, CA |
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| Address | 635 W Allen Avenue, San Dimas, CA, 91773 |
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License history
| Date | File or call sign | Action |
|---|
| 2017-03-04 | 421TM | LIEXP |
| 2016-10-03 | 421TM | LETRES |
| 2006-12-29 | 421TM | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2870368 | 2026-08-02 01:39:22 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 421TM | ULS 2870368 | 2026-08-02 01:39:22 |
| Status | E | ULS 2870368 | 2026-08-02 01:39:22 |
| Service | AC | ULS 2870368 | 2026-08-02 01:39:22 |
| Grant Date | 2006-12-29 | ULS 2870368 | 2026-08-02 01:39:22 |
| Expiration Date | 2016-12-29 | ULS 2870368 | 2026-08-02 01:39:22 |
| Cancellation Date | 2017-03-04 | ULS 2870368 | 2026-08-02 01:39:22 |