Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4EMB callsign genealogy
Currently held by Baxmann, Eric M
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 KI4EMB's current licensee, walking backwards.
- Baxmann, Eric MTNgranted 2024-04-25cancelled 2024-06-07
Successor callsigns
Callsigns held now by people who previously held KI4EMB.
- Ziegler, Christopher TTNgranted 2014-05-03cancelled 2026-04-10
All historical holders
Every license row we've seen with the callsign KI4EMB, oldest first.
- Ziegler, Christopher T TN2004-03-11 → cancelled 2004-04-09
- Baxmann, Eric M TN2024-06-07 active