Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0MDC callsign genealogy
Currently held by CAMPBELL, CHRISTOPHER 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 N0MDC's current licensee, walking backwards.
- Conrad, Michael DMNgranted 2008-03-17cancelled 2012-08-03
Successor callsigns
Callsigns held now by people who previously held N0MDC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0MDC, oldest first.
- CAMPBELL, CHRISTOPHER J SC2000-07-14 → cancelled 2012-07-17
- Conrad, Michael D MN2022-08-13 active