| Callsign | K3OS |
|---|---|
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-11-03 |
| Effective Date | 2026-11-03 |
| Expire Date | 2037-01-20 |
| Cancel Date | |
| Last Action Date | 2026-11-03 |
| End Date | 2037-01-20 |
| Available Date | 2039-01-21 |
| Applicant Type | I - Individual |
| Entity Name | SCHWARTZ, GARY |
| Street Address / Locality | 1420 Santo Domingo Ave Unit 223 Duarte, CA 91010 |
| County | Los Angeles County |
| Zip Location | 34°08'29.7"N 117°57'27.5"W |
| Maidenhead | DM14ad |
| FRN | 0003385515 |
| Licensee ID/SGIN | L00223802 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 1x2 |
| ULS/Geo Region | 3 / 6 / CA |
| Prev Callsign / Prev Class | K3OSK |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 9610210420 |
| Phonetic weight / Morse weight | 8 / 50 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2007-01-20 | LIREN - License Renewed |
| 2008-10-15 | LIAUA - Administrative Update Applied |
| 2016-12-10 | LIREN - License Renewed |
| 2026-09-11 | LIAUA - Administrative Update Applied |
| 2026-11-03 | LIREN - License Renewed |