| Callsign | K4SDD |
| Radio Service | HV - Vanity |
| License Status | E - Expired |
| Grant Date | 2013-05-07 |
| Effective Date | 2013-05-07 |
| Expire Date | 2023-05-07 |
| Cancel Date | 2025-05-08 |
| Last Action Date | 2025-05-08 |
| End Date | 2023-05-07 |
| Available Date | 2025-06-08 |
| Applicant Type | I - Individual |
| Entity Name | DURHAM, SHERRY D |
| Street Address / Locality | 450 ALLISON DR PALM BAY, FL 32908 |
| County | Brevard County |
| Zip Location | 27°57'22.8"N 80°41'56.1"W |
| Maidenhead | EL97pw |
| FRN | 0008599250 |
| Licensee ID/SGIN | L00653123 / 000 |
| Licensee Class | T - Technician |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 4 / 4 / FL |
| Prev Callsign / Prev Class | N4QKD P - Technician Plus |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0002744582 |
| Phonetic weight / Morse weight | 11 / 54 |