Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6FCM callsign genealogy
Currently held by Mrosek, Frank C
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 N6FCM's current licensee, walking backwards.
- Falcy, Christopher MCAgranted 2025-04-23cancelled 2025-05-16
Successor callsigns
Callsigns held now by people who previously held N6FCM.
All historical holders
Every license row we've seen with the callsign N6FCM, oldest first.
- Mrosek, Frank C CA2009-11-21 → cancelled 2010-07-07
- Falcy, Christopher M CA2025-05-16 active