Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KA0MAC callsign genealogy
Currently held by MILLER, MICHAEL S
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 KA0MAC's current licensee, walking backwards.
- Champion, Michael ANEgranted 2025-03-19cancelled 2025-04-08
Successor callsigns
Callsigns held now by people who previously held KA0MAC.
- MIller, MIchael SMIgranted 2019-04-16
All historical holders
Every license row we've seen with the callsign KA0MAC, oldest first.
- MILLER, MICHAEL S MI2012-05-23 → cancelled 2019-04-16
- Champion, Michael A NE2025-04-08 active