| Callsign | AK4KO |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2020-06-17 |
| Effective Date | 2020-06-17 |
| Expire Date | 2030-08-25 |
| Cancel Date | |
| Last Action Date | 2020-06-17 |
| End Date | 2030-08-25 |
| Available Date | 2032-08-26 |
| Applicant Type | I - Individual |
| Entity Name | WARREN, KEITH O |
| Street Address / Locality | 727 MC KINLEY AVE AUBURN, AL 368305529 |
| County | Lee County |
| Zip Location | 32°32'19.0"N 85°29'22.9"W |
| Maidenhead | EM72gm |
| FRN | 0002566396 |
| Licensee ID/SGIN | L00240720 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 2x2 |
| ULS/Geo Region | 4 / 4 / AL |
| Prev Callsign / Prev Class | KE6ZBA P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 10 / 60 |