Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0UD callsign genealogy
Currently held by Fredrick, Kris T
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 AC0UD's current licensee, walking backwards.
- Fredrick, Kris TMNgranted 2002-12-10cancelled 2010-12-15
Successor callsigns
Callsigns held now by people who previously held AC0UD.
No current licensee on record previously held this callsign.