Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE7MDG callsign genealogy
Currently held by BUTTARS, LANCE K
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 KE7MDG's current licensee, walking backwards.
- Guryan, MichaelIDgranted 2025-03-06cancelled 2025-04-05
Successor callsigns
Callsigns held now by people who previously held KE7MDG.
- BUTTARS, LANCE KUTgranted 2020-06-16
All historical holders
Every license row we've seen with the callsign KE7MDG, oldest first.
- BUTTARS, LANCE K UT2007-03-27 → cancelled 2010-06-22
- Guryan, Michael ID2025-04-05 active