Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA6THI callsign genealogy
Currently held by ROBINSON, JOHN L
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 KA6THI's current licensee, walking backwards.
- Daugherty, Kathryn LCAgranted 2009-06-11cancelled 2009-06-30
Successor callsigns
Callsigns held now by people who previously held KA6THI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA6THI, oldest first.
- ROBINSON, JOHN L CA1992-05-19 → cancelled 2004-05-20
- Daugherty, Kathryn L CA2019-09-27 active