Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0TC callsign genealogy
Currently held by SCHIFFEL, JEFFREY A
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 AC0TC's current licensee, walking backwards.
- SCHIFFEL, JEFFREY AKSgranted 2009-05-12cancelled 2010-08-25
Successor callsigns
Callsigns held now by people who previously held AC0TC.
No current licensee on record previously held this callsign.