Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ3X callsign genealogy
Currently held by Miller, John 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 KJ3X's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KJ3X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ3X, oldest first.
- WEST PASCO CONTEST CLUB FL2006-03-14 → cancelled 2018-03-15
- Miller, John R PA2018-04-03 active