| Callsign | W1SSS |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2020-08-01 |
| Effective Date | 2026-03-07 |
| Expire Date | 2030-08-01 |
| Cancel Date | |
| Last Action Date | 2026-03-07 |
| End Date | 2030-08-01 |
| Available Date | 2032-08-02 |
| Applicant Type | I - Individual |
| Entity Name | KOERNER, LEO A |
| Street Address / Locality | 121 Brattle Street Cambridge, MA 02138 |
| County | Middlesex County |
| Zip Location | 42°22'46.7"N 71°08'06.5"W |
| Maidenhead | FN42kj |
| FRN | 0029560430 |
| Licensee ID/SGIN | L02344990 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 1 / 1 / MA |
| Prev Callsign / Prev Class | KX2LEO G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0009583030 |
| Phonetic weight / Morse weight | 12 / 56 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2020-08-01 | LIISS - License Issued |
| 2020-08-01 | VANGRT - Vanity Call Sign Assigned |
| 2021-06-11 | LIMOD - License Modified |
| 2026-03-07 | LIAUA - Administrative Update Applied |