Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9EDM callsign genealogy
Currently held by Einselen, Matthew D
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 K9EDM's current licensee, walking backwards.
- Einselen, Matthew DINgranted 2021-04-21cancelled 2021-05-11
Successor callsigns
Callsigns held now by people who previously held K9EDM.
No current licensee on record previously held this callsign.