Callsign Lookup
Current Amateur Records for K4OS
| Callsign | Status | Service | Grant | Expiry | Cancelled | FRN |
|---|---|---|---|---|---|---|
| K4OS | A | HV | 2017-03-28 | 2027-06-22 | 0008155780 | |
| K4OS | C | HA | 1996-01-18 | 2006-01-18 | 2005-06-01 |
Total current records: 2.
Historical / Legacy Amateur Records for K4OS
| Callsign | Status | Service | Grant | Expiry | Cancelled | FRN |
|---|---|---|---|---|---|---|
| K4OS | A | HV | 2017-03-28 | 2027-06-22 | 0008155780 | |
| K4OS | C | HA | 1996-01-18 | 2006-01-18 | 2005-06-01 |
Total historical records: 2.
Pending / Recent Applications for K4OS
No pending or recent applications found for this callsign.