| Callsign | KR4OLO |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-08-18 |
| Effective Date | 2026-08-18 |
| Expire Date | 2036-08-18 |
| Cancel Date | |
| Last Action Date | 2026-08-18 |
| End Date | 2036-08-18 |
| Available Date | 2038-08-19 |
| Applicant Type | I - Individual |
| Entity Name | Trautwein, Robert P |
| Street Address / Locality | 3724 Country Ridge Rd. Charlotte, NC 28226 |
| County | Mecklenburg County |
| Zip Location | 35°06'09.7"N 80°49'19.7"W |
| Maidenhead | EM95oc |
| FRN | 0037132370 |
| Licensee ID/SGIN | L02941570 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / NC |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | |
| Phonetic weight / Morse weight | 13 / 76 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2026-08-18 | SYSGRT - New Systematic Call Sign Assigned |
| 2026-08-18 | LIISS - License Issued |