Universal Licensing System
54SL
Harpo, Inc
License details
| ULS identifier | 2867473 |
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| Call sign | 54SL |
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| Radio service | AC |
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| Status | E |
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| Grant date | 2006-12-16 |
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| Expiration | 2016-12-16 |
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| Cancellation | 2017-02-18 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:41:39 |
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Licensee
| Name | Harpo, Inc |
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| Applicant type | C |
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| FRN | 0015853013 |
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| Location | Chicago, IL |
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| Address | 6150 S. Laramie, Chicago, IL, 60638 |
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License history
| Date | File or call sign | Action |
|---|
| 2017-02-18 | 54SL | LIEXP |
| 2016-09-19 | 54SL | LETRES |
| 2006-12-16 | 54SL | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 2867473 | 2026-08-02 01:41:39 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 54SL | ULS 2867473 | 2026-08-02 01:41:39 |
| Status | E | ULS 2867473 | 2026-08-02 01:41:39 |
| Service | AC | ULS 2867473 | 2026-08-02 01:41:39 |
| Grant Date | 2006-12-16 | ULS 2867473 | 2026-08-02 01:41:39 |
| Expiration Date | 2016-12-16 | ULS 2867473 | 2026-08-02 01:41:39 |
| Cancellation Date | 2017-02-18 | ULS 2867473 | 2026-08-02 01:41:39 |