Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4RU callsign genealogy
Currently held by DIAZ CARRASQUILLO, HIPOLITO
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 KP4RU's current licensee, walking backwards.
- Rivera-Navedo, James MPRgranted 2014-08-15cancelled 2026-08-18
Successor callsigns
Callsigns held now by people who previously held KP4RU.
No current licensee on record previously held this callsign.