Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3THL callsign genealogy
Currently held by Ruberto, Frank J
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 KC3THL'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 KC3THL.
- Ruberto, Frank JDEgranted 2022-02-11cancelled 2026-01-05