Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4LW callsign genealogy
Currently held by RIVERA SR, VICTOR M
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 NP4LW's current licensee, walking backwards.
- CRUZ ABREU, NELSON APRgranted 2002-02-05cancelled 2009-06-30
Successor callsigns
Callsigns held now by people who previously held NP4LW.
- CRUZ ABREU, NELSON APRgranted 2019-09-21
All historical holders
Every license row we've seen with the callsign NP4LW, oldest first.
- RIVERA SR, VICTOR M FL1994-12-16 → cancelled 2006-12-19
- CRUZ ABREU, NELSON A PR2019-04-04 → cancelled 2019-09-21