Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3DRM callsign genealogy
Currently held by Mullas, Michael W
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 N3DRM's current licensee, walking backwards.
- Mullas, Michael WPAgranted 2020-07-28cancelled 2022-04-29
Successor callsigns
Callsigns held now by people who previously held N3DRM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3DRM, oldest first.
- ATENCZUK, PETER PA1997-06-16 → cancelled 2009-06-17
- Mullas, Michael W PA2022-04-29 active