| Callsign | K1DIY |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2018-02-24 |
| Effective Date | 2025-04-01 |
| Expire Date | 2028-02-24 |
| Cancel Date | |
| Last Action Date | 2025-04-01 |
| End Date | 2028-02-24 |
| Available Date | 2030-02-25 |
| Applicant Type | I - Individual |
| Entity Name | OBrien, Liam |
| Street Address / Locality | 923 Folsom St San Francisco, CA 94107 |
| County | San Francisco County |
| Zip Location | 37°45'37.7"N 122°23'59.0"W |
| Maidenhead | CM87ts |
| FRN | 0025947631 |
| Licensee ID/SGIN | L02058272 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 1 / 6 / CA |
| Prev Callsign / Prev Class | KC1GLO G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | |
| Phonetic weight / Morse weight | 10 / 64 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2018-02-24 | LIISS - License Issued |
| 2018-02-24 | VANGRT - Vanity Call Sign Assigned |
| 2018-03-02 | LIAUA - Administrative Update Applied |
| 2021-01-12 | LIAUA - Administrative Update Applied |
| 2025-04-01 | LIAUA - Administrative Update Applied |