Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4DI callsign genealogy
Currently held by ORTIZ, REINALDO
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 NP4DI's current licensee, walking backwards.
- ORTIZ, REINALDOPRgranted 2020-11-16cancelled 2020-12-04
Successor callsigns
Callsigns held now by people who previously held NP4DI.
No current licensee on record previously held this callsign.