Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK7CW callsign genealogy
Currently held by Kraus, Michael
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 KK7CW's current licensee, walking backwards.
- Kraus, MichaelCAgranted 2013-04-30cancelled 2015-10-31
Successor callsigns
Callsigns held now by people who previously held KK7CW.
- JOHNSON SR, MARSHALL DORgranted 2013-03-02cancelled 2025-03-05
All historical holders
Every license row we've seen with the callsign KK7CW, oldest first.
- JOHNSON SR, MARSHALL D OR2004-11-16 → cancelled 2013-03-02
- Kraus, Michael CA2025-08-05 active