Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NA9D callsign genealogy
Currently held by OGDEN, JONATHAN D
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 NA9D's current licensee, walking backwards.
- OGDEN, JONATHAN DILgranted 1997-03-21cancelled 2000-05-02
Successor callsigns
Callsigns held now by people who previously held NA9D.
- DUBBERSTEIN, STEVEN LWIgranted 2017-06-07