Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP3FB callsign genealogy
Currently held by PLAZA LOPEZ, RAMON O
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 NP3FB's current licensee, walking backwards.
- RIVERA-VALENTIN, FERNANDO APRgranted 2013-01-31cancelled 2014-07-18
Successor callsigns
Callsigns held now by people who previously held NP3FB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP3FB, oldest first.
- RIVERA VALENTIN, FERNANDO A AL2024-10-12 active
- PLAZA LOPEZ, RAMON O— → cancelled 1998-02-26