Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP3LM callsign genealogy
Currently held by RIVERA RIVERA, JESUS
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 NP3LM's current licensee, walking backwards.
- WP4RIAcancelledLas Marias Radio TeamPRgranted 2019-10-29cancelled 2019-12-06
Successor callsigns
Callsigns held now by people who previously held NP3LM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP3LM, oldest first.
- RIVERA RIVERA, JESUS PR2007-01-16 → cancelled 2019-03-26
- Las Marias Radio Team PR2019-12-06 active