Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1J callsign genealogy
Currently held by Malec, Will B
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 KC1J's current licensee, walking backwards.
- Malec, Will BMAgranted 2025-09-30cancelled 2026-06-13
Successor callsigns
Callsigns held now by people who previously held KC1J.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC1J, oldest first.
- HOGERTY, THOMAS R CT2014-05-23 → cancelled 2026-05-27
- Malec, Will B MA2026-06-13 active