Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9WTF callsign genealogy
Currently held by EVANS, RONALD 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 KB9WTF's current licensee, walking backwards.
- EVANS, RONALD LILgranted 2023-03-08cancelled 2023-09-01
Successor callsigns
Callsigns held now by people who previously held KB9WTF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9WTF, oldest first.
- Thanos, Andrew J WI2010-05-07 → cancelled 2022-07-30
- EVANS, RONALD L IL2023-09-01 active