| Callsign | AB8CS |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2007-08-07 |
| Effective Date | 2014-01-28 |
| Expire Date | 2017-08-27 |
| Cancel Date | 2019-08-28 |
| Last Action Date | 2019-08-28 |
| End Date | 2017-08-27 |
| Available Date | 2019-09-28 |
| Applicant Type | I - Individual |
| Entity Name | WINKWORTH IV, ROBERT D |
| Street Address / Locality | 21650 Hampton Beverly Hills, MI 48025 |
| County | Oakland County |
| Zip Location | 42°31'13.3"N 83°15'53.4"W |
| Maidenhead | EN82im |
| FRN | 0012183315 |
| Licensee ID/SGIN | L01230274 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | A - 2x2 |
| ULS/Geo Region | 8 / 8 / MI |
| Prev Callsign / Prev Class | KC8JBQ P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 9805298923 |
| Phonetic weight / Morse weight | 10 / 60 |