Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1APX callsign genealogy
Currently held by Barrera, Benjamin
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 K1APX's current licensee, walking backwards.
- Barrera, BenjaminMOgranted 2024-03-26cancelled 2025-12-30
Successor callsigns
Callsigns held now by people who previously held K1APX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1APX, oldest first.
- PHILLIPS, KIM A IN2013-02-20 → cancelled 2025-02-21
- Barrera, Benjamin MO2025-12-30 active