| Callsign | KR4ODU |
|---|---|
| Radio Service | HA - Amateur |
| License Status | C - Canceled |
| Grant Date | 2026-08-05 |
| Effective Date | 2026-08-05 |
| Expire Date | 2036-08-05 |
| Cancel Date | 2026-08-25 |
| Last Action Date | 2026-08-25 |
| End Date | 2026-08-25 |
| Available Date | 2028-08-26 |
| Applicant Type | I - Individual |
| Entity Name | Olgren, Matthew R |
| Street Address / Locality | 2719 Tindel Camp Rd Lake Wales, FL 33898 |
| County | Polk County |
| Zip Location | 27°50'28.8"N 81°22'24.3"W |
| Maidenhead | EL97hu |
| FRN | 0038730925 |
| Licensee ID/SGIN | L03070084 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / FL |
| Prev Callsign / Prev Class | |
| Next Callsign | K4OLG |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 14 / 70 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-08-05 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-08-05 | LIISS - License Issued |
| 2026-08-25 | LICAN - License Canceled |
FCC comments
| 2026-08-25 | Issued vanity call sign. |