| Callsign | KK4VDO |
|---|---|
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2013-11-12 |
| Effective Date | 2014-05-20 |
| 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 | O'BRIEN, DAVID J |
| Street Address / Locality | 2850 Konnoak Drive WINSTON SALEM, NC 27127 |
| County | Forsyth County |
| Zip Location | 36°01'14.5"N 80°16'47.3"W |
| Maidenhead | EM96ua |
| FRN | 0023115389 |
| Licensee ID/SGIN | L01823675 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / NC |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0006011169 |
| Phonetic weight / Morse weight | 12 / 74 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2013-11-12 | SYSGRT - New Systematic Call Sign Assigned |
| 2013-11-12 | LIISS - License Issued |
| 2014-05-20 | LIAUA - Administrative Update Applied |
| 2026-03-06 | LIEXP - License Expired |