Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MCZ callsign genealogy
Currently held by Zier, Michael
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 K1MCZ's current licensee, walking backwards.
- Zier, MichaelNCgranted 2024-10-18cancelled 2024-11-30
Successor callsigns
Callsigns held now by people who previously held K1MCZ.
No current licensee on record previously held this callsign.