Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NP4ZB callsign genealogy
Currently held by RIVERA, JORGE A
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 NP4ZB's current licensee, walking backwards.
- RIVERA, JORGE APRgranted 2005-06-07cancelled 2006-08-11
Successor callsigns
Callsigns held now by people who previously held NP4ZB.
No current licensee on record previously held this callsign.