| Callsign | KO6JCA |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2025-05-01 |
| Effective Date | 2026-09-29 |
| Expire Date | 2035-05-01 |
| Cancel Date | |
| Last Action Date | 2026-09-29 |
| End Date | 2035-05-01 |
| Available Date | 2037-05-02 |
| Applicant Type | I - Individual |
| Entity Name | Markoff, Jeffrey A |
| Street Address / Locality | PO Box 6593 Laguna Niguel, CA 92607 |
| County | Orange |
| Zip Location | 33°31'36.8"N 117°42'42.1"W |
| Maidenhead | DM13dm |
| FRN | 0036820256 |
| Licensee ID/SGIN | L02929101 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 6 / 6 / CA |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012201756 |
| Phonetic weight / Morse weight | 12 / 78 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2025-05-01 | SYSGRT - New Systematic Call Sign Assigned |
| 2025-05-01 | LIISS - License Issued |
| 2025-09-23 | LIMOD - License Modified |
| 2026-09-29 | LIMOD - License Modified |