| Callsign | W4CDR |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2017-12-06 |
| Effective Date | 2017-12-06 |
| Expire Date | 2028-01-14 |
| Cancel Date | |
| Last Action Date | 2017-12-06 |
| End Date | 2028-01-14 |
| Available Date | 2030-01-15 |
| Applicant Type | I - Individual |
| Entity Name | KERR III, JOHN T |
| Street Address / Locality | 125 BRIAR CLIFF RD DURHAM, NC 277072225 |
| County | Durham County |
| Zip Location | 35°57'16.3"N 78°57'11.9"W |
| Maidenhead | FM05mw |
| FRN | 0003222205 |
| Licensee ID/SGIN | L00261858 / 000 |
| Licensee Class | G - General |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / NC |
| Prev Callsign / Prev Class | WA4CAK P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0008020689 |
| Phonetic weight / Morse weight | 11 / 60 |