| Callsign | KO4JBJ |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2020-11-12 |
| Effective Date | 2026-06-26 |
| Expire Date | 2030-11-12 |
| Cancel Date | 2026-08-11 |
| Last Action Date | 2026-08-11 |
| End Date | 2026-08-11 |
| Available Date | 2028-08-12 |
| Applicant Type | I - Individual |
| Entity Name | Mai, Huan |
| Street Address / Locality | 1010 West Peachtree Street NW Atlanta, GA 30309 |
| County | Fulton County |
| Zip Location | 33°47'59.6"N 84°23'08.9"W |
| Maidenhead | EM73tt |
| FRN | 0030145742 |
| Licensee ID/SGIN | L02391227 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / GA |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | WA8R |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012093034 |
| Phonetic weight / Morse weight | 14 / 84 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2020-11-12 | SYSGRT - New Systematic Call Sign Assigned |
| 2020-11-12 | LIISS - License Issued |
| 2026-04-29 | LIMOD - License Modified |
| 2026-06-26 | LIMOD - License Modified |
| 2026-08-11 | LICAN - License Canceled |
FCC comments
| 2026-08-11 | Issued vanity call sign. |