Confidence: Medium · Source: FCC ULS · As of 2026-09-12
ND1G callsign genealogy
Currently held by Medeiros, David A
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 ND1G's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held ND1G.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign ND1G, oldest first.
- SKEFFINGTON JR, WILLIAM E MA1995-11-28 → cancelled 2007-11-29
- Medeiros, David A MA2017-11-08 active