Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4NRR callsign genealogy
Currently held by RIVERA RIVERA, NICOLAS
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 KP4NRR's current licensee, walking backwards.
- RIVERA RIVERA, NICOLASPRgranted 2014-01-03cancelled 2014-01-25
Successor callsigns
Callsigns held now by people who previously held KP4NRR.
- RIVERA RIVERA, NICOLASPRgranted 2024-07-09