Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6CTC callsign genealogy
Currently held by Boriskin, Cynthia D
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 K6CTC's current licensee, walking backwards.
- Boriskin, Cynthia DCAgranted 2020-12-23cancelled 2021-01-15
Successor callsigns
Callsigns held now by people who previously held K6CTC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6CTC, oldest first.
- Combat Training Centers Amateur Radio Club FL2006-10-06 → cancelled 2018-10-10
- Boriskin, Cynthia D CA2021-01-15 active