Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1GBC callsign genealogy
Currently held by ACHTEMICHUK, THOMAS M
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 KC1GBC's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC1GBC.
- ACHTEMICHUK, THOMAS MMAgranted 2016-08-09cancelled 2017-07-29