Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ULW callsign genealogy
Currently held by POLLOCK, ILA
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 K4ULW's current licensee, walking backwards.
- POLLOCK, JOSEPH DFLgranted 2012-04-03cancelled 2014-09-20
Successor callsigns
Callsigns held now by people who previously held K4ULW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ULW, oldest first.
- POLLOCK, ILA KY2011-02-22 → cancelled 2012-09-21
- POLLOCK, JOSEPH D FL2024-07-13 active