Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K2MSU callsign genealogy
Currently held by Bartz, Troy A
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 K2MSU's current licensee, walking backwards.
- BARTZ, TROY AMIgranted 2017-03-23cancelled 2021-08-10
Successor callsigns
Callsigns held now by people who previously held K2MSU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K2MSU, oldest first.
- KIBLER, LYNDEN U NJ2005-10-21 → cancelled 2018-01-20
- Bartz, Troy A MI2021-08-10 active