Confidence: Medium · Source: FCC ULS · As of 2026-09-09
NP4MP callsign genealogy
Currently held by VALENTIN NIEVES, LILLIAN A
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 NP4MP's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NP4MP.
- VALENTIN NIEVES, LILLIAN APRgranted 2019-04-23