Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4YS callsign genealogy
Currently held by CRUZ MORALES, JOSE E
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 KP4YS's current licensee, walking backwards.
- CRUZ MORALES, JOSE EPRgranted 2013-05-17cancelled 2014-12-30
Successor callsigns
Callsigns held now by people who previously held KP4YS.
No current licensee on record previously held this callsign.