Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4ZMZ callsign genealogy
Currently held by MIDDLETON, JEFFREY P
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 KG4ZMZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KG4ZMZ.
No current licensee on record previously held this callsign.