Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4KI callsign genealogy
Currently held by PADIN, JUAN G
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 NP4KI's current licensee, walking backwards.
- PADIN, JUAN GPRgranted 2021-02-26cancelled 2021-03-16
Successor callsigns
Callsigns held now by people who previously held NP4KI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP4KI, oldest first.
- PADIN, JUAN G PR1994-07-14 → cancelled 2006-07-15
- PADIN, JUAN G PR2021-03-16 active