Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4AX callsign genealogy
Currently held by RODRIGUEZ, ARMANDO 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 KP4AX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KP4AX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4AX, oldest first.
- RODRIGUEZ, ARMANDO L PR2005-08-30 → cancelled 2017-08-31
- CABRERA, ISRAEL PR2018-04-21 active