| Callsign | KO1O |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2025-06-06 |
| Effective Date | 2025-06-09 |
| Expire Date | 2035-06-01 |
| Cancel Date | |
| Last Action Date | 2025-06-09 |
| End Date | 2035-06-01 |
| Available Date | 2037-06-02 |
| Applicant Type | I - Individual |
| Entity Name | VETTERLING, WILLIAM T |
| Street Address / Locality | 35 Turning Mill Rd LEXINGTON, MA 02420 |
| County | Middlesex County |
| Zip Location | 42°27'25.4"N 71°12'55.7"W |
| Maidenhead | FN42jk |
| FRN | 0013128889 |
| Licensee ID/SGIN | L00994153 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 2x1 |
| ULS/Geo Region | 1 / 1 / MA |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0011602619 |
| Phonetic weight / Morse weight | 7 / 60 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2005-03-22 | LITIN - TIN Updated |
| 2005-03-22 | LIREN - License Renewed |
| 2015-03-12 | LIREN - License Renewed |
| 2025-06-06 | LIREN - License Renewed |
| 2025-06-09 | LIAUA - Administrative Update Applied |