Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC1KKJ callsign genealogy
Currently held by Toczko, Eric
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 KC1KKJ's current licensee, walking backwards.
- Toczko, EricRIgranted 2018-10-17cancelled 2018-10-19
Successor callsigns
Callsigns held now by people who previously held KC1KKJ.
No current licensee on record previously held this callsign.