Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4RRS callsign genealogy
Currently held by ROSADO SANTIAGO, RAMON
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 KP4RRS's current licensee, walking backwards.
- ROSADO SANTIAGO, RAMONPRgranted 2018-07-17cancelled 2019-09-21
Successor callsigns
Callsigns held now by people who previously held KP4RRS.
No current licensee on record previously held this callsign.