Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KE0RM callsign genealogy
Currently held by HEIER, MICHAEL R
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 KE0RM's current licensee, walking backwards.
- Myers, Matthew DKSgranted 2023-08-10cancelled 2023-11-25
Successor callsigns
Callsigns held now by people who previously held KE0RM.
- HEIER, MICHAEL RWAgranted 2017-06-30
All historical holders
Every license row we've seen with the callsign KE0RM, oldest first.
- HEIER, MICHAEL R WA2007-09-11 → cancelled 2017-06-30
- Myers, Matthew D KS2023-11-25 active