Amateur Radio Callsign: KM4YZY
                             
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                            KM4YZY | 
                    
| 
                            McWilliams, Vivian
                             Loganville, GA (United States)  | 
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| License Status | Active | 
|---|---|
| Operator Class | Technician | 
| Name | McWilliams, Vivian | 
| Granted | 2016-11-16 | 
| Expires | 2026-11-16 | 
| Address |