| Callsign | KC1TEO |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2023-07-11 |
| Effective Date | 2025-05-28 |
| Expire Date | 2033-07-11 |
| Cancel Date | 2025-06-17 |
| Last Action Date | 2025-06-17 |
| End Date | 2025-06-17 |
| Available Date | 2027-06-18 |
| Applicant Type | I - Individual |
| Entity Name | Yoo, Dongwon |
| Street Address / Locality | KLA Orbotech Inc 44 Manning Rd Billerica, MA 01821 |
| County | Middlesex County |
| Zip Location | 42°32'57.6"N 71°15'06.2"W |
| Maidenhead | FN42in |
| FRN | 0033872144 |
| Licensee ID/SGIN | L02684766 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 1 / 1 / MA |
| Prev Callsign / Prev Class | |
| Next Callsign | K5COH |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 11 / 70 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2023-07-11 | SYSGRT - New Systematic Call Sign Assigned |
| 2023-07-11 | LIISS - License Issued |
| 2025-05-28 | LIAUA - Administrative Update Applied |
| 2025-06-17 | LICAN - License Canceled |
FCC comments
| 2025-06-17 | Issued vanity call sign. |