Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4PAP callsign genealogy
Currently held by Penton, Pablo A
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 KJ4PAP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KJ4PAP.
No current licensee on record previously held this callsign.