Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4NLU 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 KP4NLU's current licensee, walking backwards.
- OSUNA CARRASQUILLO, OSCAR Dcancelled 1999-08-02
Successor callsigns
Callsigns held now by people who previously held KP4NLU.
- OSUNA CARRASQUILLO, OSCAR DPRgranted 2024-09-04