Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC5Z callsign genealogy
Currently held by QUARTERMAN, CLAYTON E
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 AC5Z's current licensee, walking backwards.
- QUARTERMAN, CLAYTON EMSgranted 2018-06-06cancelled 2021-06-02
Successor callsigns
Callsigns held now by people who previously held AC5Z.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC5Z, oldest first.
- FISHER, ALBERT L TX2009-02-17 → cancelled 2021-05-13
- QUARTERMAN, CLAYTON E MS2021-06-02 active