Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3DBH callsign genealogy
Currently held by Henrie, Douglas 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 N3DBH's current licensee, walking backwards.
- Henrie, Douglas BPAgranted 2018-10-25cancelled 2024-01-17
Successor callsigns
Callsigns held now by people who previously held N3DBH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3DBH, oldest first.
- BLANDFORD, DONALD H MD1987-11-03 → cancelled 1999-11-04
- Henrie, Douglas B PA2024-01-17 active