Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4JNX callsign genealogy
Currently held by HOUSER, RICHARD 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 K4JNX's current licensee, walking backwards.
- CLARK, RANDALL DNCgranted 2016-06-09cancelled 2024-08-06
- KC6JNXno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held K4JNX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4JNX, oldest first.
- HOUSER, RICHARD J OH1996-12-10 → cancelled 2008-12-11
- CLARK, RANDALL D NC2024-08-06 active