Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7ZQ callsign genealogy
Currently held by ALTUS, MARK R
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 AC7ZQ's current licensee, walking backwards.
- ALTUS, MARK RORgranted 1999-10-19cancelled 2001-03-17
Successor callsigns
Callsigns held now by people who previously held AC7ZQ.
No current licensee on record previously held this callsign.