Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7DWH callsign genealogy
Currently held by Hahn, Doug W
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 N7DWH's current licensee, walking backwards.
- Hahn, Doug WUTgranted 2017-02-13cancelled 2017-04-18
Successor callsigns
Callsigns held now by people who previously held N7DWH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7DWH, oldest first.
- HERMANN, DONALD W AZ1999-02-03 → cancelled 2011-02-04
- Hahn, Doug W UT2017-04-18 active