Amateur Radio Callsign: KM4RYP
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KM4RYP |
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Halpen, William F
West Palm Beach, FL (United States) |
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| License Status | Active |
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| Operator Class | Amateur Extra |
| Name | Halpen, William F |
| Granted | 2026-01-21 |
| Expires | 2036-03-04 |
| Address |