Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC2EF callsign genealogy
Currently held by CHUNG, TAK CHIU
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 AC2EF'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 AC2EF.
- CHUNG, TAK CHIUTXgranted 2010-10-19cancelled 2022-10-20