Amateur Radio Callsign: KO4YBK
                             
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                            KO4YBK | 
                    
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                            MASTERSON, DEREK S
                             LAWRENCEVILLE, GA (United States)  | 
                    |
| License Status | Active | 
|---|---|
| Operator Class | Technician | 
| Name | MASTERSON, DEREK S | 
| Granted | 2022-02-23 | 
| Expires | 2032-02-23 | 
| Address |