FCC Registration Number
FRN 0021222484
ULS licenses
| Grant date | Call sign | Service | Status | Licensee |
|---|---|---|---|---|
| 2025-06-07 | RR00243683 | RR | A | Krupka, Mark A |
| 2025-06-07 | 20RM | AC | A | SDI Aviation LLC |
| 2025-06-07 | 930DM | AC | A | Krupka, Mark A |
| 2011-10-18 | 20RM | AC | E | SDI Avition LLC |
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