Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K4MZF callsign genealogy
Currently held by PEARCE, ROBERT E
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 K4MZF's current licensee, walking backwards.
- PEARCE, ROBERT EWAgranted 2016-10-14cancelled 2016-11-15
Successor callsigns
Callsigns held now by people who previously held K4MZF.
No current licensee on record previously held this callsign.