Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4CYA callsign genealogy
Currently held by SANTIAGO CABRERA, CARLOS M
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 KP4CYA's current licensee, walking backwards.
- SANTIAGO CABRERA, CARLOS MPRgranted 2020-09-28cancelled 2020-10-16
Successor callsigns
Callsigns held now by people who previously held KP4CYA.
No current licensee on record previously held this callsign.