Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7MR callsign genealogy
Currently held by RAUCHLE, 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 KK7MR's current licensee, walking backwards.
- KK7GPQcancelledGreat Falls Masonic Amateur Radio ClubMTgranted 2022-06-07cancelled 2022-07-23
Successor callsigns
Callsigns held now by people who previously held KK7MR.
- RAUCHLE, MICHAEL JAZgranted 2024-07-23
All historical holders
Every license row we've seen with the callsign KK7MR, oldest first.
- RAUCHLE, MICHAEL J AZ2012-02-11 → cancelled 2014-10-04
- Great Falls Masonic Amateur Radio Club MT2022-07-23 active
- LOOMIS, COURTNEY— → cancelled 1998-11-24