Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM9X callsign genealogy
Currently held by Mulford, Daniel E
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 KM9X's current licensee, walking backwards.
- Spencer, KevinWVgranted 2024-06-01cancelled 2024-07-02
Successor callsigns
Callsigns held now by people who previously held KM9X.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KM9X, oldest first.
- Mulford, Daniel E IN2012-03-16 → cancelled 2024-06-12
- Spencer, Kevin WV2024-07-02 active