| Callsign | KC1KSO |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2018-12-28 |
| Effective Date | 2023-10-28 |
| Expire Date | 2028-12-28 |
| Cancel Date | 2026-03-27 |
| Last Action Date | 2026-03-27 |
| End Date | 2026-03-27 |
| Available Date | 2028-03-28 |
| Applicant Type | I - Individual |
| Entity Name | Speirs, William R |
| Street Address / Locality | 26 Fox Drive Ridgefield, CT 06877 |
| County | Fairfield County |
| Zip Location | 41°19'03.6"N 73°29'59.4"W |
| Maidenhead | FN31gh |
| FRN | 0028095511 |
| Licensee ID/SGIN | L02234330 / 000 |
| Licensee Class | G - General |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 1 / 1 / CT |
| Prev Callsign / Prev Class | T - Technician |
| Next Callsign | N1WRS |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0008600251 |
| Phonetic weight / Morse weight | 12 / 80 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2018-12-28 | SYSGRT - New Systematic Call Sign Assigned |
| 2018-12-28 | LIISS - License Issued |
| 2019-04-12 | LIMOD - License Modified |
| 2023-10-28 | LIAUA - Administrative Update Applied |
| 2026-03-27 | LICAN - License Canceled |
FCC comments
| 2026-03-27 | Issued vanity call sign. |