Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6PTZ callsign genealogy
Currently held by Barone, Mark
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 K6PTZ's current licensee, walking backwards.
- Barone, MarkCAgranted 2014-06-30cancelled 2016-03-18
Successor callsigns
Callsigns held now by people who previously held K6PTZ.
No current licensee on record previously held this callsign.