Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP3DZ callsign genealogy
Currently held by SANCHEZ RIVERA, HILDA
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 NP3DZ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NP3DZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP3DZ, oldest first.
- SANCHEZ RIVERA, HILDA PR1996-07-29 → cancelled 2008-07-30
- POGGI, IVAN J PR2026-08-21 active