Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9MJD callsign genealogy
Currently held by Dusa, Mike 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 W9MJD's current licensee, walking backwards.
- Dusa, Mike JILgranted 2009-03-19cancelled 2012-07-24
Successor callsigns
Callsigns held now by people who previously held W9MJD.
No current licensee on record previously held this callsign.