Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AA4HU callsign genealogy
Currently held by VILLARREAL, RICHARD
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 AA4HU's current licensee, walking backwards.
- KB4ILIno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AA4HU.
No current licensee on record previously held this callsign.