Amateur Radio Callsign: KO4SEM
![]() |
KO4SEM |
Visser, Ester P
Elizabethton, TN (United States) |
License Status | Active |
---|---|
Operator Class | Technician |
Name | Visser, Ester P |
Granted | 2021-07-27 |
Expires | 2031-07-27 |
Address |