Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0IV callsign genealogy
Currently held by Rosas, Dennis N
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 AC0IV's current licensee, walking backwards.
- Rosas, Dennis NCOgranted 2002-07-31cancelled 2007-07-18
Successor callsigns
Callsigns held now by people who previously held AC0IV.
No current licensee on record previously held this callsign.