Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP3BX callsign genealogy
Currently held by NIEVES, GREGORIO
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 KP3BX's current licensee, walking backwards.
- NIEVES, GREGORIOPRgranted 2008-05-29cancelled 2010-09-14
Successor callsigns
Callsigns held now by people who previously held KP3BX.
- NIEVES, GREGORIOPRgranted 2013-03-16cancelled 2025-03-18