Amateur Radio Callsign: KR4CWN
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KR4CWN |
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Martinec, Mark A
Knoxville, TN (United States) |
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| License Status | Active |
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| Operator Class | Amateur Extra |
| Name | Martinec, Mark A |
| Granted | 2025-04-08 |
| Expires | 2035-04-08 |
| Address |