Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4AYY callsign genealogy
Currently held by ANDUJAR, REINALDO
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 KP4AYY's current licensee, walking backwards.
- ANDUJAR, REINALDOPRgranted 2016-02-05cancelled 2021-03-09
Successor callsigns
Callsigns held now by people who previously held KP4AYY.
No current licensee on record previously held this callsign.