Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ6TZ callsign genealogy
Currently held by LEE, INWOO
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 KJ6TZ's current licensee, walking backwards.
- Lee, InwooILgranted 2017-06-05cancelled 2017-07-18
Successor callsigns
Callsigns held now by people who previously held KJ6TZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ6TZ, oldest first.
- LEE, INWOO CA1999-04-22 → cancelled 2011-04-23
- Lee, Inwoo IL2017-07-18 active