| Callsign | KO4TDK |
|---|---|
| Radio Service | HA - Amateur |
| License Status | A - Active |
| Grant Date | 2021-09-10 |
| Effective Date | 2026-08-15 |
| Expire Date | 2031-09-10 |
| Cancel Date | |
| Last Action Date | 2026-08-15 |
| End Date | 2031-09-10 |
| Available Date | 2033-09-11 |
| Applicant Type | I - Individual |
| Entity Name | Hamby, Stephen M |
| Street Address / Locality | 102 Cornell Ln Oak Ridge, TN 37830 |
| County | Anderson County |
| Zip Location | 35°57'59.3"N 84°17'26.0"W |
| Maidenhead | EM75ux |
| FRN | 0031347743 |
| Licensee ID/SGIN | L02482701 / 000 |
| Licensee Class | E - Amateur Extra |
| Callsign Group | D - 2x3 |
| ULS/Geo Region | 4 / 4 / TN |
| Prev Callsign / Prev Class | G - General |
| Next Callsign | |
| Trustee Callsign / Trustee Name | |
| Vanity Type | |
| ULS File Number | 0009842614 |
| Phonetic weight / Morse weight | 12 / 68 |
Administrative History
| Action Date | Action Type |
|---|---|
| 2021-09-10 | SYSGRT - New Systematic Call Sign Assigned |
| 2021-09-10 | LIISS - License Issued |
| 2021-10-07 | LIMOD - License Modified |
| 2021-12-22 | LIMOD - License Modified |
| 2023-03-14 | LIAUA - Administrative Update Applied |
| 2026-08-15 | LIAUA - Administrative Update Applied |