Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4JUI callsign genealogy
Currently held by KILDEA, THOMAS 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 KD4JUI's current licensee, walking backwards.
- KD4NMRno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KD4JUI.
- KILDEA, THOMAS JNJgranted 2023-12-08