Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4FZU callsign genealogy
Currently held by PERRETT, RONALD L
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 K4FZU's current licensee, walking backwards.
- PERRETT, RONALD LFLgranted 2005-03-16cancelled 2006-01-24
Successor callsigns
Callsigns held now by people who previously held K4FZU.
No current licensee on record previously held this callsign.