Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE0DM callsign genealogy
Currently held by TOLLEFSON, GERALD B
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 KE0DM's current licensee, walking backwards.
- Montgomery, Dennis RMOgranted 2015-12-29cancelled 2019-12-27
Successor callsigns
Callsigns held now by people who previously held KE0DM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE0DM, oldest first.
- TOLLEFSON, GERALD B ND2006-03-29 → cancelled 2018-03-30
- Montgomery, Dennis R MO2019-12-27 active