Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1DWM callsign genealogy
Currently held by Martin, Richard 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 N1DWM's current licensee, walking backwards.
- Martin, Richard JCTgranted 2006-05-30cancelled 2008-01-05
Successor callsigns
Callsigns held now by people who previously held N1DWM.
No current licensee on record previously held this callsign.