Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP3KV callsign genealogy
Currently held by ROSARIO, JUAN R
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 NP3KV's current licensee, walking backwards.
- MANTILLA, ALEXISPRgranted 2014-03-17cancelled 2014-05-16
Successor callsigns
Callsigns held now by people who previously held NP3KV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NP3KV, oldest first.
- ROSARIO, JUAN R PR1997-03-12 → cancelled 2009-03-13
- MANTILLA, ALEXIS PR2024-06-12 active