| Callsign | AK6UM |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2026-06-17 |
| Effective Date | 2026-06-17 |
| Expire Date | 2036-06-17 |
| Cancel Date | 2026-07-07 |
| Last Action Date | 2026-07-07 |
| End Date | 2026-07-07 |
| Available Date | 2028-07-08 |
| Applicant Type | I - Individual |
| Entity Name | Zhang, Han |
| Street Address / Locality | 37 Angell Ct Apt 325 Stanford, CA 943057126 |
| County | Santa Clara County |
| Zip Location | 37°25'05.7"N 122°10'15.1"W |
| Maidenhead | CM87vk |
| FRN | 0038497459 |
| Licensee ID/SGIN | L03054902 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 2x2 |
| ULS/Geo Region | 6 / 6 / CA |
| Prev Callsign / Prev Class | |
| Next Callsign | AI6OT |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 9 / 54 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-06-17 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-06-17 | LIISS - License Issued |
| 2026-07-07 | LICAN - License Canceled |
FCC comments
| 2026-07-07 | Issued vanity call sign. |