Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP3DM callsign genealogy
Currently held by RIVERA ARROYO, ANGEL 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 NP3DM's current licensee, walking backwards.
- SUAREZ SANCHEZ, RAMONPRgranted 2006-07-08cancelled 2015-02-13
Successor callsigns
Callsigns held now by people who previously held NP3DM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP3DM, oldest first.
- RIVERA ARROYO, ANGEL M PR1996-07-25 → cancelled 2008-07-26
- SUAREZ SANCHEZ, RAMON PR2024-12-13 active