Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4LRZ callsign genealogy
Currently held by ZAYAS ORTIZ, LUIS R
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 KP4LRZ's current licensee, walking backwards.
- Zayas-Ortiz, Luis RPRgranted 2011-12-23cancelled 2012-07-03
Successor callsigns
Callsigns held now by people who previously held KP4LRZ.
No current licensee on record previously held this callsign.