Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7ZT callsign genealogy
Currently held by Spindler, James D
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 AC7ZT's current licensee, walking backwards.
- Spindler, James DAZgranted 2003-05-01cancelled 2003-08-25
Successor callsigns
Callsigns held now by people who previously held AC7ZT.
No current licensee on record previously held this callsign.