Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC9TS callsign genealogy
Currently held by Sedlack, Thomas B
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 AC9TS's current licensee, walking backwards.
- Sedlack, Thomas BILgranted 2003-07-17cancelled 2003-08-12
Successor callsigns
Callsigns held now by people who previously held AC9TS.
No current licensee on record previously held this callsign.