Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4JD callsign genealogy
Currently held by MALDONADO, JOSE D
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 NP4JD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NP4JD.
No current licensee on record previously held this callsign.