Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6DMJ callsign genealogy
Currently held by JOHNSTON, D MICHAEL
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 N6DMJ's current licensee, walking backwards.
- JOHNSTON, D MICHAELWAgranted 2013-03-23cancelled 2013-04-09
Successor callsigns
Callsigns held now by people who previously held N6DMJ.
- JOHNSTON, D MICHAELWAgranted 2026-08-14