Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC5RX callsign genealogy
Currently held by NISHIO, ATSUSHI
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 AC5RX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held AC5RX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC5RX, oldest first.
- NISHIO, ATSUSHI TX1998-11-25 → cancelled 2010-09-24
- Mahasin, Ameenah TX2022-05-24 active