Confidence: Medium · Source: FCC ULS · As of 2026-09-14
ND9G callsign genealogy
Currently held by Knerler, Randall 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 ND9G's current licensee, walking backwards.
- Knerler, Randall WINgranted 2022-12-13cancelled 2024-04-19
Successor callsigns
Callsigns held now by people who previously held ND9G.
- RICKETTS, MICHAEL SILgranted 2022-03-04
All historical holders
Every license row we've seen with the callsign ND9G, oldest first.
- BUSHMAN, STEPHEN F IL2004-11-18 → cancelled 2017-02-02
- RICKETTS, MICHAEL S IL2017-02-22 → cancelled 2022-03-04
- Knerler, Randall W IN2024-04-19 active