Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA0DX callsign genealogy
Currently held by GROSSMAN, DAVID T
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 NA0DX's current licensee, walking backwards.
- GROSSMAN, DAVID Tcancelled 1997-09-17
Successor callsigns
Callsigns held now by people who previously held NA0DX.
- GROSSMAN, DAVID TFLgranted 2023-09-19cancelled 2023-10-11