Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4E callsign genealogy
Currently held by Lugo-Ortiz, Jose O
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 NP4E's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NP4E.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP4E, oldest first.
- PEREZ, LUIS E PR1997-06-06 → cancelled 2009-06-09
- Lugo-Ortiz, Jose O PR2019-07-30 active