| Callsign | KK4USY |
|---|---|
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2013-10-30 |
| Effective Date | 2013-10-30 |
| Expire Date | 2024-03-05 |
| Cancel Date | 2026-03-06 |
| Last Action Date | 2026-03-06 |
| End Date | 2024-03-05 |
| Available Date | 2026-04-06 |
| Applicant Type | I - Individual |
| Entity Name | Robertson, William A |
| Street Address / Locality | 44 Baldwin Dr Fredericksburg, VA 22406 |
| County | Stafford County |
| Zip Location | 38°23'59.0"N 77°32'48.2"W |
| Maidenhead | FM18fj |
| FRN | 0023077118 |
| Licensee ID/SGIN | L01821100 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0005990676 |
| Phonetic weight / Morse weight | 14 / 72 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2013-10-30 | SYSGRT - New Systematic Call Sign Assigned |
| 2013-10-30 | LIISS - License Issued |
| 2026-03-06 | LIEXP - License Expired |