Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3JAK callsign genealogy
Currently held by KUJAWA, JEFFREY A
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 W3JAK's current licensee, walking backwards.
- KUJAWA, JEFFREY AGAgranted 2016-07-28cancelled 2018-02-03
Successor callsigns
Callsigns held now by people who previously held W3JAK.
No current licensee on record previously held this callsign.