Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4JAY callsign genealogy
Currently held by POPLAWSKI, JASON 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 WB4JAY's current licensee, walking backwards.
- POPLAWSKI, JASON ANCgranted 2011-06-23cancelled 2011-07-12
- KB2KLBno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WB4JAY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB4JAY, oldest first.
- ANDERSON, DOUGLAS L TN1996-06-14 → cancelled 2008-06-17
- POPLAWSKI, JASON A NC2021-07-23 active