Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6CSC callsign genealogy
Currently held by Castillo, Carlos S
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 K6CSC's current licensee, walking backwards.
- Castillo, Carlos SCAgranted 2021-10-18cancelled 2021-11-13
Successor callsigns
Callsigns held now by people who previously held K6CSC.
No current licensee on record previously held this callsign.