| Callsign | KR4ILH |
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2025-12-20 |
| Effective Date | 2025-12-20 |
| Expire Date | 2035-12-20 |
| Cancel Date | |
| Last Action Date | 2025-12-20 |
| End Date | 2035-12-20 |
| Available Date | 2037-12-21 |
| Applicant Type | I - Individual |
| Entity Name | Van Der Kolk, Alexander J |
| Street Address / Locality | 2320 Terra Ceia Bay Blvd 501 Palmetto, FL 34221 |
| County | Manatee County |
| Zip Location | 27°34'48.1"N 82°33'09.5"W |
| Maidenhead | EL87rn |
| FRN | 0037764420 |
| Licensee ID/SGIN | L02992212 / 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 | 14 / 64 |