Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4CMC callsign genealogy
Currently held by Sepulveda-Nieves, Carlos M
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 KP4CMC's current licensee, walking backwards.
- Sepulveda-Nieves, Carlos MPRgranted 2018-06-04cancelled 2018-11-06
Successor callsigns
Callsigns held now by people who previously held KP4CMC.
No current licensee on record previously held this callsign.