Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7DMG callsign genealogy
Currently held by Gierszewski, David 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 N7DMG's current licensee, walking backwards.
- Gierszewski, David MWAgranted 2015-06-01cancelled 2016-04-01
Successor callsigns
Callsigns held now by people who previously held N7DMG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7DMG, oldest first.
- MORGAN, JOHN D UT1997-03-20 → cancelled 2009-03-21
- Gierszewski, David M WA2026-05-12 active