Amateur Radio Callsign: WB4UOK
                             
                         | 
                        
                            WB4UOK | 
                    
| 
                            CALDERAZZO, MARK A
                             ORLANDO, FL (United States)  | 
                    |
| License Status | Active | 
|---|---|
| Operator Class | Amateur Extra | 
| Name | CALDERAZZO, MARK A | 
| Granted | 2017-02-22 | 
| Expires | 2027-05-19 | 
| Address |