Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4RCS callsign genealogy
Currently held by CASIANO SOTO, ROBERTO
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 KP4RCS's current licensee, walking backwards.
- CASIANO SOTO, ROBERTOFLgranted 2017-02-10cancelled 2017-02-28
Successor callsigns
Callsigns held now by people who previously held KP4RCS.
No current licensee on record previously held this callsign.