Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KH6KC callsign genealogy
Currently held by Castillo, Terrance K
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 KH6KC's current licensee, walking backwards.
- Castillo, Terrance KHIgranted 2013-10-17cancelled 2013-11-09
Successor callsigns
Callsigns held now by people who previously held KH6KC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KH6KC, oldest first.
- TAKEMOTO, RICHARD K HI1987-09-29 → cancelled 1999-09-30
- Castillo, Terrance K HI2023-09-12 active