Amateur Radio Callsign: KM4GMV
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KM4GMV |
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Helba, Mark M
Vienna, VA (United States) |
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| License Status | Active |
|---|---|
| Operator Class | Technician |
| Name | Helba, Mark M |
| Granted | 2014-12-15 |
| Expires | 2024-12-15 |
| Address |