Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF9AB callsign genealogy
Currently held by FELKER, NORMAN C
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 KF9AB's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KF9AB.
No current licensee on record previously held this callsign.