Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB0US callsign genealogy
Currently held by Sutton, Robert D
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 AB0US's current licensee, walking backwards.
- Sutton, Robert DCOgranted 1999-01-14cancelled 2002-04-04
Successor callsigns
Callsigns held now by people who previously held AB0US.
No current licensee on record previously held this callsign.