| Callsign | KB3ZZD |
| Radio Service | HA - Amateur |
| License Status | E - Expired |
| Grant Date | 2013-02-19 |
| Effective Date | 2015-08-25 |
| Expire Date | 2023-02-19 |
| Cancel Date | 2025-02-20 |
| Last Action Date | 2025-02-20 |
| End Date | 2023-02-19 |
| Available Date | 2025-03-23 |
| Applicant Type | I - Individual |
| Entity Name | Middleswarth Jr, Robert W |
| Street Address / Locality | 3170 Buchanan Rd SE Cleveland, TN 37323 |
| County | Bradley County |
| Zip Location | 35°05'46.3"N 84°48'59.5"W |
| Maidenhead | EM75oc |
| FRN | 0022448377 |
| Licensee ID/SGIN | L01767079 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 3 / 4 / TN |
| Prev Callsign / Prev Class | |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0005654709 |
| Phonetic weight / Morse weight | 11 / 78 |