Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1DJM callsign genealogy
Currently held by Martin, David 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 W1DJM's current licensee, walking backwards.
- Martin, David JNCgranted 2013-03-15cancelled 2013-04-05
Successor callsigns
Callsigns held now by people who previously held W1DJM.
No current licensee on record previously held this callsign.