Universal Licensing System
541JB
BLOCK, JOHN R
License details
| ULS identifier | 50540 |
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| Call sign | 541JB |
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| Radio service | AC |
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| Status | T |
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| Grant date | 1996-12-13 |
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| Expiration | 2006-12-13 |
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| Cancellation | 2006-09-19 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-09 10:20:25 |
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Licensee
| Name | BLOCK, JOHN R |
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| Applicant type | I |
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| Location | TOLEDO, OH |
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License history
| Date | File or call sign | Action |
|---|
| 2006-09-19 | 541JB | LETNNG |
| 2006-09-19 | 541JB | LITERM |
| 2006-09-18 | 541JB | LETRES |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 50540 | 2026-08-02 01:38:08 | Source Primary |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 541JB | ULS 50540 | 2026-08-09 10:20:25 |
| Status | T | ULS 50540 | 2026-08-09 10:20:25 |
| Service | AC | ULS 50540 | 2026-08-09 10:20:25 |
| Grant Date | 1996-12-13 | ULS 50540 | 2026-08-09 10:20:25 |
| Expiration Date | 2006-12-13 | ULS 50540 | 2026-08-09 10:20:25 |
| Cancellation Date | 2006-09-19 | ULS 50540 | 2026-08-09 10:20:25 |