Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8JMZ callsign genealogy
Currently held by Zehner, 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 K8JMZ's current licensee, walking backwards.
- Zehner, John MOHgranted 2019-03-18cancelled 2020-05-12
Successor callsigns
Callsigns held now by people who previously held K8JMZ.
No current licensee on record previously held this callsign.