Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7JMZ callsign genealogy
Currently held by Zinza, John M
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 K7JMZ's current licensee, walking backwards.
- Zinza, John MWAgranted 2019-08-28cancelled 2019-09-27
Successor callsigns
Callsigns held now by people who previously held K7JMZ.
- Zinza, John MWAgranted 2019-09-27