Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9MAF callsign genealogy
Currently held by Killion, Chad 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 KC9MAF's current licensee, walking backwards.
- MAFFETT, MATTHEW WILgranted 2017-12-05cancelled 2025-02-08
Successor callsigns
Callsigns held now by people who previously held KC9MAF.
- Killion, Chad EINgranted 2019-01-30
All historical holders
Every license row we've seen with the callsign KC9MAF, oldest first.
- Killion, Chad E IN2007-08-13 → cancelled 2007-09-05
- MAFFETT, MATTHEW W IL2025-02-08 active