| Callsign | KO4ZEM |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2022-04-04 |
| Effective Date | 2025-06-21 |
| Expire Date | 2032-04-04 |
| Cancel Date | 2026-09-29 |
| Last Action Date | 2026-09-29 |
| End Date | 2026-09-29 |
| Available Date | 2028-09-30 |
| Applicant Type | I - Individual |
| Entity Name | Killian Sr, Robert A |
| Street Address / Locality | 928 Rock Haven Dr Charlotte, NC 28216 |
| County | Mecklenburg County |
| Zip Location | 35°18'36.7"N 80°53'22.7"W |
| Maidenhead | EM95nh |
| FRN | 0032194078 |
| Licensee ID/SGIN | L02543451 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / NC |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | KR4SR |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0010405822 |
| Phonetic weight / Morse weight | 11 / 68 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2022-04-04 | SYSGRT - New Systematic Call Sign Assigned |
| 2022-04-04 | LIISS - License Issued |
| 2023-02-06 | LIMOD - License Modified |
| 2025-06-21 | LIMOD - License Modified |
| 2026-09-29 | LICAN - License Canceled |
FCC comments
| 2026-09-29 | Issued vanity call sign. |