Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC2MA callsign genealogy
Currently held by Widodo, Adhi
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 AC2MA's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AC2MA.
- Widodo, AdhiNJgranted 2013-12-03cancelled 2026-03-06