Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4IL callsign genealogy
Currently held by VILLANUEVA, OLIVERO
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 NP4IL's current licensee, walking backwards.
- VELEZ JIMENEZ, JAVIERPRgranted 2014-02-24cancelled 2016-01-15
Successor callsigns
Callsigns held now by people who previously held NP4IL.
- VELEZ JIMENEZ, JAVIERPRgranted 2020-11-28
All historical holders
Every license row we've seen with the callsign NP4IL, oldest first.
- VILLANUEVA, OLIVERO PR1988-05-31 → cancelled 2000-06-01
- VELEZ JIMENEZ, JAVIER PR2016-01-15 → cancelled 2020-11-28