Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3KOZ callsign genealogy
Currently held by Kaus Jr, Jeffery L
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 W3KOZ's current licensee, walking backwards.
- Kaus Jr, Jeffery LWYgranted 2021-02-24cancelled 2021-03-19
Successor callsigns
Callsigns held now by people who previously held W3KOZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3KOZ, oldest first.
- COUCH, F BOYD PA1987-10-13 → cancelled 1999-10-14
- Kaus Jr, Jeffery L WY2021-03-19 active