Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1THM callsign genealogy
Currently held by Thomas, Christopher 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 KC1THM's current licensee, walking backwards.
- Thomas, Christopher MMAgranted 2020-08-24cancelled 2023-08-16
Successor callsigns
Callsigns held now by people who previously held KC1THM.
No current licensee on record previously held this callsign.