| Callsign | KO4SEH |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2018-05-09 |
| Effective Date | 2026-02-18 |
| Expire Date | 2028-05-09 |
| Cancel Date | 2026-03-07 |
| Last Action Date | 2026-03-07 |
| End Date | 2026-03-07 |
| Available Date | 2028-03-08 |
| Applicant Type | I - Individual |
| Entity Name | HALES, MARK D |
| Street Address / Locality | 3695 Wildflower Ln Riner, VA 24149 |
| County | Montgomery County |
| Zip Location | 37°01'06.9"N 80°26'00.9"W |
| Maidenhead | EM97sa |
| FRN | 0007947757 |
| Licensee ID/SGIN | L00594777 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | KM6SVO |
| Next Callsign | KD4PIZ |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 13 / 62 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2021-07-27 | LIISS - License Issued |
| 2021-07-27 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-02-18 | LIAUA - Administrative Update Applied |
| 2026-03-07 | LICAN - License Canceled |
FCC comments
| 2026-03-07 | Issued vanity call sign. |