Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4JOC callsign genealogy
Currently held by OJEDA CASTRO, JOEL
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 KP4JOC's current licensee, walking backwards.
- Ojeda-Castro, JoelPRgranted 2015-10-21cancelled 2021-04-23
Successor callsigns
Callsigns held now by people who previously held KP4JOC.
No current licensee on record previously held this callsign.