Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9DBR callsign genealogy
Currently held by Jensen, Robert 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 N9DBR's current licensee, walking backwards.
- Jensen, Robert BARgranted 2025-05-06cancelled 2026-07-17
Successor callsigns
Callsigns held now by people who previously held N9DBR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9DBR, oldest first.
- BLAIR, ARTHUR G WI1987-09-29 → cancelled 1999-09-30
- Jensen, Robert B AR2026-07-17 active