Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0MDS callsign genealogy
Currently held by MAHORNEY, JONATHAN M
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 N0MDS's current licensee, walking backwards.
- DeGarmo Shapland, Michelle ANEgranted 2012-11-13cancelled 2012-12-29
Successor callsigns
Callsigns held now by people who previously held N0MDS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0MDS, oldest first.
- MAHORNEY, JONATHAN M SD1990-06-26 → cancelled 2002-06-27
- DeGarmo Shapland, Michelle A NE2012-12-29 → cancelled 2024-12-31