| Callsign | KB4DU |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2026-04-03 |
| Effective Date | 2026-05-04 |
| Expire Date | 2034-12-31 |
| Cancel Date | |
| Last Action Date | 2026-05-04 |
| End Date | 2034-12-31 |
| Available Date | 2037-01-01 |
| Applicant Type | I - Individual |
| Entity Name | WILLIS, JOHN R |
| Street Address / Locality | PO Box PO Box 1695 CALHOUN, GA 30703 |
| County | Gordon |
| Zip Location | 34°30'09.4"N 84°57'04.0"W |
| Maidenhead | EM74mm |
| FRN | 0011290426 |
| Licensee ID/SGIN | L00896798 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | B - 2x2 |
| ULS/Geo Region | 4 / 4 / GA |
| Prev Callsign / Prev Class | A - Advanced |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0012020453 |
| Phonetic weight / Morse weight | 11 / 58 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2004-12-31 | LIREN - License Renewed |
| 2004-12-31 | LTSFRN |
| 2014-07-11 | LIMOD - License Modified |
| 2014-10-04 | LIREN - License Renewed |
| 2026-04-03 | LIREN - License Renewed |
| 2026-05-04 | LIAUA - Administrative Update Applied |