Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF9I callsign genealogy
Currently held by BENNETT, CLYDE E
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 KF9I's current licensee, walking backwards.
- Kremitzki, Colin LILgranted 2026-03-24cancelled 2026-06-05
Successor callsigns
Callsigns held now by people who previously held KF9I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF9I, oldest first.
- BENNETT, CLYDE E WI1988-01-12 → cancelled 2000-01-13
- Sowatzke, Thomas J WI2013-11-19 → cancelled 2026-03-07
- Kremitzki, Colin L IL2026-06-05 active