Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP3T callsign genealogy
Currently held by Osuba, jose L
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 NP3T's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NP3T.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP3T, oldest first.
- Trujillo, Mario PR2008-02-06 → cancelled 2020-03-21
- Osuba, jose L PR2020-04-10 active