Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM0STL callsign genealogy
Currently held by TSICHLIS, MICHAEL G
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 KM0STL's current licensee, walking backwards.
- Tsichlis, Michael GMOgranted 2007-12-28cancelled 2008-02-01
Successor callsigns
Callsigns held now by people who previously held KM0STL.
No current licensee on record previously held this callsign.