Amateur Radio Callsign: AJ4UM
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AJ4UM |
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Christen, Walter R
Knoxville, TN (United States) |
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| License Status | Active |
|---|---|
| Operator Class | Amateur Extra |
| Name | Christen, Walter R |
| Granted | 2021-01-20 |
| Expires | 2031-03-29 |
| Address |