Amateur Radio Callsign: KN4DVV
|
KN4DVV |
|
Johnston, Mark R
Linthicum Heights, MD (United States) |
|
| License Status | Active |
|---|---|
| Operator Class | General |
| Name | Johnston, Mark R |
| Granted | 2017-06-12 |
| Expires | 2027-06-12 |
| Address |