Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC4ACE callsign genealogy
Currently held by Acevedo, Felipe A
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 KC4ACE's current licensee, walking backwards.
- Acevedo, Felipe ANCgranted 2025-04-08cancelled 2025-04-26
Successor callsigns
Callsigns held now by people who previously held KC4ACE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC4ACE, oldest first.
- WHITTEN, JUDITH W NC2010-07-20 → cancelled 2022-07-21
- Acevedo, Felipe A NC2025-04-26 active