Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9MTE callsign genealogy
Currently held by Beringer, Martin H
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 KC9MTE's current licensee, walking backwards.
- Ehemann, Michael TWIgranted 2011-07-26cancelled 2021-02-13
Successor callsigns
Callsigns held now by people who previously held KC9MTE.
- Beringer, Martin HFLgranted 2008-02-26cancelled 2017-03-31
All historical holders
Every license row we've seen with the callsign KC9MTE, oldest first.
- Beringer, Martin H WI2008-01-09 → cancelled 2008-02-26
- Ehemann, Michael T WI2021-02-13 active