Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC0LJK callsign genealogy
Currently held by Kreimer, Luke 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 KC0LJK's current licensee, walking backwards.
- Kreimer, Luke JMOgranted 2025-11-27cancelled 2026-01-23
Successor callsigns
Callsigns held now by people who previously held KC0LJK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0LJK, oldest first.
- Bauer, Brian A MO2001-09-17 → cancelled 2013-09-18
- Kreimer, Luke J MO2026-01-23 active