Amateur Radio Callsign: N5RDV
                             
                         | 
                        
                            N5RDV | 
                    
| 
                            KELLER, MICHAEL S
                             TULSA, OK (United States)  | 
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| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | KELLER, MICHAEL S | 
| Granted | 2017-03-07 | 
| Expires | 2027-05-20 | 
| Address |