Amateur Radio Callsign: KR4DUV
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KR4DUV |
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Mastriani, John K
Alexandria, VA (United States) |
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| License Status | Active |
|---|---|
| Operator Class | Technician |
| Name | Mastriani, John K |
| Granted | 2025-05-09 |
| Expires | 2035-05-09 |
| Address |