Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4I callsign genealogy
Currently held by Clark, Donna M
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 KM4I's current licensee, walking backwards.
- Clark, Donna MTNgranted 2005-03-10cancelled 2006-04-04
Successor callsigns
Callsigns held now by people who previously held KM4I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM4I, oldest first.
- YOUNG, MARTIN L MI1995-08-21 → cancelled 2006-03-16
- Clark, Donna M TN2026-02-19 active