| Callsign | K1KDX |
| Radio Service | HV - Vanity |
| License Status | A - Active |
| Grant Date | 2026-06-24 |
| Effective Date | 2026-06-24 |
| Expire Date | 2036-06-24 |
| Cancel Date | |
| Last Action Date | 2026-06-24 |
| End Date | 2036-06-24 |
| Available Date | 2038-06-25 |
| Applicant Type | I - Individual |
| Entity Name | McAllister III, William D |
| Street Address / Locality | 107 Chamberlain St. Rochester, NH 03867 |
| County | Strafford County |
| Zip Location | 43°18'06.0"N 70°59'30.4"W |
| Maidenhead | FN43mh |
| FRN | 0023190275 |
| Licensee ID/SGIN | L01829016 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | C - 1x3 |
| ULS/Geo Region | 1 / 1 / NH |
| Prev Callsign / Prev Class | KC1AXC G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | E - By List |
| ULS File Number | 0007735954 |
| Phonetic weight / Morse weight | 9 / 68 |