Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WJ4Z callsign genealogy
Currently held by KERSH, WILLIAM O
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 WJ4Z's current licensee, walking backwards.
- Persells, Dana FALgranted 2008-11-24cancelled 2011-01-04
Successor callsigns
Callsigns held now by people who previously held WJ4Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WJ4Z, oldest first.
- KERSH, WILLIAM O LA2000-10-25 → cancelled 2001-03-30
- Persells, Dana F GA2020-11-03 active