Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9DZ callsign genealogy
Currently held by SIMS, BRIAN K
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 AC9DZ's current licensee, walking backwards.
- SIMS, BRIAN KINgranted 2010-02-05cancelled 2013-01-31
- KB9DZBno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AC9DZ.
No current licensee on record previously held this callsign.