Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4EJB callsign genealogy
Currently held by MACKEY, WILLIAM H
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 W4EJB's current licensee, walking backwards.
- Bass, Eric JGAgranted 2024-01-03cancelled 2026-06-19
Successor callsigns
Callsigns held now by people who previously held W4EJB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4EJB, oldest first.
- MACKEY, WILLIAM H NC2014-04-16 → cancelled 2026-06-02
- Bass, Eric J GA2026-06-19 active