Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MLZ callsign genealogy
Currently held by ELZIE, MATTHEW S
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 K4MLZ's current licensee, walking backwards.
- ELZIE, MATTHEW SSCgranted 2015-02-26cancelled 2023-02-17
Successor callsigns
Callsigns held now by people who previously held K4MLZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4MLZ, oldest first.
- MARTIN, SHELLY E GA1998-10-22 → cancelled 2010-10-23
- ELZIE, MATTHEW S SC2023-02-17 active