Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4LTO callsign genealogy
Currently held by Toro 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 KP4LTO's current licensee, walking backwards.
- Toro Ortiz, Luis RPRgranted 2025-06-18cancelled 2025-08-01
Successor callsigns
Callsigns held now by people who previously held KP4LTO.
No current licensee on record previously held this callsign.