Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF7XQ callsign genealogy
Currently held by Hartzler, 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 AF7XQ's current licensee, walking backwards.
- Hartzler, MarkAZgranted 2014-12-17cancelled 2016-03-28
Successor callsigns
Callsigns held now by people who previously held AF7XQ.
No current licensee on record previously held this callsign.