Amateur Radio Callsign: KN4OKB
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KN4OKB |
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Preston, Jeffrey R
Knoxville, TN (United States) |
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| License Status | Active |
|---|---|
| Operator Class | General |
| Name | Preston, Jeffrey R |
| Granted | 2018-08-13 |
| Expires | 2028-08-13 |
| Address |