Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM7D callsign genealogy
Currently held by Ellison, Sterling F
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 KM7D's current licensee, walking backwards.
- Petrin Jr, Joseph GWAgranted 2003-01-21cancelled 2005-03-12
Successor callsigns
Callsigns held now by people who previously held KM7D.
- Ellison, Sterling FCAgranted 2003-02-20cancelled 2012-01-27
All historical holders
Every license row we've seen with the callsign KM7D, oldest first.
- Ellison, Sterling F CA1994-11-21 → cancelled 2003-02-20
- Petrin Jr, Joseph G WA2025-01-14 active