Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KNA callsign genealogy
Currently held by LOTTERMANN, MICHAEL J
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 K4KNA's current licensee, walking backwards.
- Smith, Christopher BVAgranted 2024-11-28cancelled 2024-12-27
Successor callsigns
Callsigns held now by people who previously held K4KNA.
- LOTTERMANN, MICHAEL JNYgranted 2020-07-31
All historical holders
Every license row we've seen with the callsign K4KNA, oldest first.
- BRAUN SR, LAWRENCE J VA1996-02-16 → cancelled 2008-02-19
- LOTTERMANN, MICHAEL J NY2015-05-16 → cancelled 2020-07-31
- Smith, Christopher B VA2024-12-27 active