Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9EM callsign genealogy
Currently held by KARSON JR, STEVEN C
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 AC9EM's current licensee, walking backwards.
- KARSON JR, STEVEN CILgranted 2012-09-19cancelled 2013-04-03
Successor callsigns
Callsigns held now by people who previously held AC9EM.
No current licensee on record previously held this callsign.