Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6CMA callsign genealogy
Currently held by SHIELDS, MICHAEL J
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 N6CMA's current licensee, walking backwards.
- SHCHERBAKOV, MIKHAILCAgranted 2020-10-06cancelled 2020-10-27
Successor callsigns
Callsigns held now by people who previously held N6CMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6CMA, oldest first.
- SHIELDS, MICHAEL J OR1999-06-15 → cancelled 2011-06-16
- SHCHERBAKOV, MIKHAIL CA2020-10-27 active