Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9IV callsign genealogy
Currently held by Ohde, Alexander E
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 N9IV's current licensee, walking backwards.
- Ohde, Alexander EWIgranted 2018-08-15cancelled 2024-08-02
Successor callsigns
Callsigns held now by people who previously held N9IV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9IV, oldest first.
- Eberhart, Russell C IN2012-05-30 → cancelled 2024-07-13
- Ohde, Alexander E WI2024-08-02 active