Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4JQ callsign genealogy
Currently held by OSUNA CARRASQUILLO, OSCAR D
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 KP4JQ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KP4JQ.
No current licensee on record previously held this callsign.