Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4LER callsign genealogy
Currently held by Rivera - Bonilla, Luis E
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 KP4LER's current licensee, walking backwards.
- Rivera - Bonilla, Luis EPRgranted 2019-05-31cancelled 2020-04-07
Successor callsigns
Callsigns held now by people who previously held KP4LER.
No current licensee on record previously held this callsign.