Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0AJK callsign genealogy
Currently held by Komarek, Anthony 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 K0AJK's current licensee, walking backwards.
- Komarek, Anthony JMNgranted 2024-03-16cancelled 2026-05-22
Successor callsigns
Callsigns held now by people who previously held K0AJK.
- Krebs, Aaron JCOgranted 2014-09-23cancelled 2016-06-14
All historical holders
Every license row we've seen with the callsign K0AJK, oldest first.
- Krebs, Aaron J CO2014-08-16 → cancelled 2014-09-23
- Komarek, Anthony J MN2026-05-22 active