Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9KAF callsign genealogy
Currently held by HLADILEK, RICHARD J
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 K9KAF's current licensee, walking backwards.
- Fajfar, Kathryn AILgranted 2016-12-01cancelled 2017-06-06
Successor callsigns
Callsigns held now by people who previously held K9KAF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9KAF, oldest first.
- HLADILEK, RICHARD J WI2004-04-29 → cancelled 2016-06-01
- Fajfar, Kathryn A IL2017-06-06 active