Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4HJX callsign genealogy
Currently held by MAKARO, THEODORE E
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 KD4HJX's current licensee, walking backwards.
- Leone, Scott PNCgranted 2024-08-14cancelled 2025-01-11
Successor callsigns
Callsigns held now by people who previously held KD4HJX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4HJX, oldest first.
- MAKARO, THEODORE E SC2001-11-07 → cancelled 2013-12-05
- Leone, Scott P NC2025-01-11 active