Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4DBR callsign genealogy
Currently held by ROBERTS, DAVID B
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 N4DBR's current licensee, walking backwards.
- ROBERTS, DAVID BNCgranted 2005-04-18cancelled 2007-07-03
Successor callsigns
Callsigns held now by people who previously held N4DBR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4DBR, oldest first.
- FIEBIG, LAWRENCE E OH1995-06-14 → cancelled 2007-06-15
- ROBERTS, DAVID B MI2017-05-26 active