Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4PN callsign genealogy
Currently held by Liwag, Melvin 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 KF4PN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KF4PN.
No current licensee on record previously held this callsign.