| Callsign | KR4OLK |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2026-08-18 |
| Effective Date | 2026-08-20 |
| Expire Date | 2036-08-18 |
| Cancel Date | 2026-10-27 |
| Last Action Date | 2026-10-27 |
| End Date | 2026-10-27 |
| Available Date | 2028-10-28 |
| Applicant Type | I - Individual |
| Entity Name | Harlan, Mark |
| Street Address / Locality | 19825 SW 79th Ct Cutler Bay, FL 33189 |
| County | Miami-Dade County |
| Zip Location | 25°34'19.9"N 80°20'07.7"W |
| Maidenhead | EL95tn |
| FRN | 0038695623 |
| Licensee ID/SGIN | L03074475 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / FL |
| Prev Callsign / Prev Class | T - Technician |
| Next Callsign | W1MIA |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012158211 |
| Phonetic weight / Morse weight | 13 / 74 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-08-18 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-08-18 | LIISS - License Issued |
| 2026-08-20 | LIMOD - License Modified |
| 2026-10-27 | LICAN - License Canceled |
FCC comments
| 2026-10-27 | Issued vanity call sign. |