Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7UD callsign genealogy
Currently held by Barber, Mark L
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 AC7UD's current licensee, walking backwards.
- Barber, Mark LAZgranted 2000-06-10cancelled 2002-06-12
Successor callsigns
Callsigns held now by people who previously held AC7UD.
No current licensee on record previously held this callsign.