Amateur Radio Callsign: KB3WDD
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KB3WDD |
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Mateczun, John M
DAVIDSONVILLE, MD (United States) |
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| License Status | Active |
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| Operator Class | Amateur Extra |
| Name | Mateczun, John M |
| Granted | 2021-04-02 |
| Expires | 2031-06-13 |
| Address |