| Callsign | N6UST |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2001-07-20 |
| Effective Date | 2001-07-20 |
| Expire Date | 2011-10-15 |
| Cancel Date | 2013-10-16 |
| Last Action Date | 2013-10-16 |
| End Date | 2011-10-15 |
| Available Date | 2013-11-16 |
| Applicant Type | I - Individual |
| Entity Name | TIENKEN, CHARLES T |
| Street Address / Locality | 3578 PURLEY LN CONCORD, CA 94519 |
| County | Contra Costa County |
| Zip Location | 37°59'18.4"N 122°00'46.7"W |
| Maidenhead | CM87xx |
| FRN | 0005501333 |
| Licensee ID/SGIN | L00380932 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 6 / 6 / CA |
| Prev Callsign / Prev Class | KC6BZA P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 9400463174 |
| Phonetic weight / Morse weight | 12 / 46 |