Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4AEN callsign genealogy
Currently held by CERDEIRA, TERRY B
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 KO4AEN's current licensee, walking backwards.
- CERDEIRA, TERRY BKYgranted 2012-03-05cancelled 2019-11-20
Successor callsigns
Callsigns held now by people who previously held KO4AEN.
- CERDEIRA, TERRY BKYgranted 2019-12-10