Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA8FDT callsign genealogy
Currently held by LEWIS, JOSEPH
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KA8FDT's current licensee, walking backwards.
- LEWIS, JOSEPHOHgranted 2025-03-11cancelled 2025-03-29
Successor callsigns
Callsigns held now by people who previously held KA8FDT.
- LEWIS, JOSEPHOHgranted 2025-03-29
All historical holders
Every license row we've seen with the callsign KA8FDT, oldest first.
- KESSEN, THOMAS J OH2004-04-15 → cancelled 2016-07-08
- LEWIS, JOSEPH OH2025-03-29 → cancelled 2025-09-18