Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9MSR callsign genealogy
Currently held by MSR Radio Club
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 N9MSR's current licensee, walking backwards.
- KD9UVYcancelledMSR Radio ClubWIgranted 2022-04-13cancelled 2022-05-06
Successor callsigns
Callsigns held now by people who previously held N9MSR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9MSR, oldest first.
- YOUNG, KATHLEEN A IL1994-08-06 → cancelled 2005-05-05
- MSR Radio Club WI2022-05-06 active