Amateur Radio Callsign: K4MZK
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K4MZK |
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SEIBERT, WILLIAM J
JACKSONVILLE, FL (United States) |
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| License Status | Active |
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| Operator Class | Amateur Extra |
| Name | SEIBERT, WILLIAM J |
| Granted | 2018-06-02 |
| Expires | 2028-08-12 |
| Address |