Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4UAL callsign genealogy
Currently held by PORTERA JR, JOE R
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 K4UAL's current licensee, walking backwards.
- KROPAT, KIM RGAgranted 2000-09-30cancelled 2007-05-05
- KK4YVno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K4UAL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4UAL, oldest first.
- PORTERA JR, JOE R AL1988-02-09 → cancelled 2000-02-10
- KROPAT, KIM R GA2017-02-22 active