Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MDD callsign genealogy
Currently held by DAVIS III, Marshall D
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 N4MDD's current licensee, walking backwards.
- DAVIS III III, MARSHALL DFLgranted 1999-12-02cancelled 2000-11-14
Successor callsigns
Callsigns held now by people who previously held N4MDD.
No current licensee on record previously held this callsign.