| Callsign | KR4IQO |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-01-01 |
| Effective Date | 2026-10-26 |
| Expire Date | 2036-01-01 |
| Cancel Date | |
| Last Action Date | 2026-10-26 |
| End Date | 2036-01-01 |
| Available Date | 2038-01-02 |
| Applicant Type | I - Individual |
| Entity Name | Markopoulos, John |
| Street Address / Locality | 205 W Main St Jonesborough, TN 37659 |
| County | Washington County |
| Zip Location | 36°16'48.8"N 82°29'27.8"W |
| Maidenhead | EM86sg |
| FRN | 0037612710 |
| Licensee ID/SGIN | L02986981 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / TN |
| Prev Callsign / Prev Class | T - Technician |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012232794 |
| Phonetic weight / Morse weight | 14 / 72 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-01-01 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-01-01 | LIISS - License Issued |
| 2026-10-26 | LIMOD - License Modified |