Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0DRH callsign genealogy
Currently held by DUCKWORTH, JAMES A
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 N0DRH's current licensee, walking backwards.
- Hetrick, Dennis RSDgranted 2015-09-18cancelled 2015-10-14
Successor callsigns
Callsigns held now by people who previously held N0DRH.
- DUCKWORTH, JAMES AGAgranted 2021-05-04
All historical holders
Every license row we've seen with the callsign N0DRH, oldest first.
- DUCKWORTH, JAMES A GA2006-05-03 → cancelled 2011-02-05
- Hetrick, Dennis R SD2015-10-14 active