Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI4EON callsign genealogy
Currently held by Antramgarza, Jonathan L
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 KI4EON's current licensee, walking backwards.
- Antramgarza, Jonathan LFLgranted 2017-06-01cancelled 2017-10-28
Successor callsigns
Callsigns held now by people who previously held KI4EON.
All historical holders
Every license row we've seen with the callsign KI4EON, oldest first.
- DRURY, ROY D FL2004-01-21 → cancelled 2009-08-11
- Antramgarza, Jonathan L TX2017-10-28 → cancelled 2025-04-18