Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA1WTF callsign genealogy
Currently held by CHMURA, TODD S
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 KA1WTF's current licensee, walking backwards.
- Benoit, JohnMAgranted 2023-04-12cancelled 2023-05-02
Successor callsigns
Callsigns held now by people who previously held KA1WTF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1WTF, oldest first.
- CHMURA, TODD S KY2011-03-15 → cancelled 2023-03-16
- Benoit, John MA2023-05-02 active