Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6MDC callsign genealogy
Currently held by ARNOLD, SHIRLEY
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 N6MDC's current licensee, walking backwards.
- Cruse, Matthew DCAgranted 2007-10-25cancelled 2008-08-05
Successor callsigns
Callsigns held now by people who previously held N6MDC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6MDC, oldest first.
- ARNOLD, SHIRLEY CA1995-03-16 → cancelled 2007-03-17
- CRUSE, MATTHEW D CA2018-06-05 active