Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2MSK callsign genealogy
Currently held by Kattermann, Max S
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 K2MSK's current licensee, walking backwards.
- Kattermann, Max SNJgranted 2019-05-16cancelled 2021-04-02
Successor callsigns
Callsigns held now by people who previously held K2MSK.
No current licensee on record previously held this callsign.