Amateur Radio Callsign: K0OSZ
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K0OSZ |
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FRANTZ III, IVAN D
HINGHAM, MA (United States) |
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| License Status | Active |
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| Operator Class | General |
| Name | FRANTZ III, IVAN D |
| Granted | 2025-11-25 |
| Expires | 2035-03-03 |
| Address |