Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP3CR callsign genealogy
Currently held by SEPULVEDA MERCADO, JUAN
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 KP3CR's current licensee, walking backwards.
- SEPULVEDA MERCADO, JUANPRgranted 2014-12-10cancelled 2015-07-07
Successor callsigns
Callsigns held now by people who previously held KP3CR.
No current licensee on record previously held this callsign.