Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4KTJ callsign genealogy
Currently held by PARADIS, JOSEPH 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 W4KTJ's current licensee, walking backwards.
- Slight Jr, Lawrence EFLgranted 2009-08-14cancelled 2009-09-01
Successor callsigns
Callsigns held now by people who previously held W4KTJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4KTJ, oldest first.
- PARADIS, JOSEPH R FL1992-09-01 → cancelled 2004-09-02
- Slight Jr, Lawrence E FL2019-06-06 active