Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9AG callsign genealogy
Currently held by Naptown Amateur Group
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 N9AG's current licensee, walking backwards.
- Dettmer, William AILgranted 2024-11-14cancelled 2025-08-29
Successor callsigns
Callsigns held now by people who previously held N9AG.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9AG, oldest first.
- LEHMAN, SCOTT A OH2006-02-23 → cancelled 2011-07-22
- Naptown Amateur Group IN2013-08-10 → cancelled 2025-08-12
- Dettmer, William A IL2025-08-29 active