Universal Licensing System
20RM
SDI Aviation LLC
License details
| ULS identifier | 5147504 |
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| Call sign | 20RM |
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| Radio service | AC |
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| Status | A |
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| Grant date | 2025-06-07 |
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| Expiration | 2035-06-07 |
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| Source archive | l_aircr.zip |
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| Dataset refreshed | 2026-08-02 01:40:55 |
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Licensee
| Name | SDI Aviation LLC |
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| Applicant type | L |
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| FRN | 0021222484 |
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| Location | Rhinelander, WI |
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| Address | 3250 South Fox Ranch Road, Rhinelander, WI, 54501 |
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License history
| Date | File or call sign | Action |
|---|
| 2025-06-07 | 20RM | LIISS |
Sources and provenance
| Source | Source record | Retrieved | Match |
|---|
| ULS | 5147504 | 2026-08-02 01:40:55 | Official Bulk Record |
Selected field provenance
| Field | Displayed value | Source | Observed |
|---|
| Call Sign | 20RM | ULS 5147504 | 2026-08-02 01:40:55 |
| Status | A | ULS 5147504 | 2026-08-02 01:40:55 |
| Service | AC | ULS 5147504 | 2026-08-02 01:40:55 |
| Grant Date | 2025-06-07 | ULS 5147504 | 2026-08-02 01:40:55 |
| Expiration Date | 2035-06-07 | ULS 5147504 | 2026-08-02 01:40:55 |