Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF4NUN callsign genealogy
Currently held by Kislo, Joseph G
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 KF4NUN's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF4NUN.
- Kislo, Joseph GVAgranted 1996-12-11cancelled 2002-07-24