Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE7LKM callsign genealogy
Currently held by Kowalski, Mario 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 KE7LKM's current licensee, walking backwards.
- Kowalski, Mario JAZgranted 2005-01-19cancelled 2007-03-07
Successor callsigns
Callsigns held now by people who previously held KE7LKM.
- Kowalski, Mario JAZgranted 2017-02-22