Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA4IZM callsign genealogy
Currently held by FILLINGIM SR, EUGENE G
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 WA4IZM's current licensee, walking backwards.
- Glover, MattALgranted 2021-11-24cancelled 2021-12-14
Successor callsigns
Callsigns held now by people who previously held WA4IZM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4IZM, oldest first.
- FILLINGIM SR, EUGENE G AL1998-08-04 → cancelled 2010-08-05
- Glover, Matt AL2021-12-14 active