Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0UV callsign genealogy
Currently held by CASTLE JR, RONALD J
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 AC0UV's current licensee, walking backwards.
- Castle Jr, Ronald JCOgranted 2004-07-29cancelled 2011-02-18
Successor callsigns
Callsigns held now by people who previously held AC0UV.
No current licensee on record previously held this callsign.