Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM7MDR callsign genealogy
Currently held by Racine, Michael 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 KM7MDR's current licensee, walking backwards.
- Racine, Michael DWAgranted 2025-07-02cancelled 2026-09-04
Successor callsigns
Callsigns held now by people who previously held KM7MDR.
No current licensee on record previously held this callsign.