| Callsign | KR4OVI |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-09-09 |
| Effective Date | 2026-09-14 |
| Expire Date | 2036-09-09 |
| Cancel Date | |
| Last Action Date | 2026-09-14 |
| End Date | 2036-09-09 |
| Available Date | 2038-09-10 |
| Applicant Type | I - Individual |
| Entity Name | Markham, Sean M |
| Street Address / Locality | 1500 Houndschase Ln Apt. A Blacksburg, VA 24060 |
| County | Montgomery County |
| Zip Location | 37°15'19.7"N 80°25'21.1"W |
| Maidenhead | EM97sg |
| FRN | 0038858734 |
| Licensee ID/SGIN | L03081170 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / VA |
| Prev Callsign / Prev Class | T - Technician |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012182988 |
| Phonetic weight / Morse weight | 14 / 68 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-09-09 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-09-09 | LIISS - License Issued |
| 2026-09-14 | LIMOD - License Modified |