Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1MST callsign genealogy
Currently held by Staffenski, Michael
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 K1MST's current licensee, walking backwards.
- Staffenski, MichaelMEgranted 2003-04-03cancelled 2003-09-16
Successor callsigns
Callsigns held now by people who previously held K1MST.
No current licensee on record previously held this callsign.