Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP3RH callsign genealogy
Currently held by HERNANDEZ PEREZ, CARLOS 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 NP3RH's current licensee, walking backwards.
- HERNANDEZ PEREZ, CARLOS RPRgranted 2018-10-23cancelled 2018-12-14
Successor callsigns
Callsigns held now by people who previously held NP3RH.
- CARABALLO, PEDRO EVAgranted 2020-06-17
All historical holders
Every license row we've seen with the callsign NP3RH, oldest first.
- HERNANDEZ PEREZ, CARLOS R PR2018-12-14 active
- CARABALLO, PEDRO E— → cancelled 1999-08-05