Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC6CZ callsign genealogy
Currently held by Zigelman, Charles I
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 AC6CZ's current licensee, walking backwards.
- Zigelman, Charles ICAgranted 2013-01-18cancelled 2022-04-19
Successor callsigns
Callsigns held now by people who previously held AC6CZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC6CZ, oldest first.
- DAGGETT JR, THOMAS W CA1998-04-28 → cancelled 2010-04-29
- Zigelman, Charles I CA2022-04-19 active