Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4AAI callsign genealogy
Currently held by OHNESORGE JR, WALTER F
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 N4AAI's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N4AAI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4AAI, oldest first.
- OHNESORGE JR, WALTER F TN2008-08-02 → cancelled 2013-10-13
- OHNESORGE-FICK, LAURAN W KS2025-04-11 active