| Callsign | KR4OSU |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-09-01 |
| Effective Date | 2026-09-01 |
| Expire Date | 2036-09-01 |
| Cancel Date | |
| Last Action Date | 2026-09-01 |
| End Date | 2036-09-01 |
| Available Date | 2038-09-02 |
| Applicant Type | I - Individual |
| Entity Name | Chavez, Christopher |
| Street Address / Locality | 460 Massey Ave box 1124 Jacksonville, FL 32228 |
| County | Duval County |
| Zip Location | 30°23'30.7"N 81°24'00.3"W |
| Maidenhead | EM90hj |
| FRN | 0038812566 |
| Licensee ID/SGIN | L03076825 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / FL |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 15 / 68 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-09-01 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-09-01 | LIISS - License Issued |