Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7KRR callsign genealogy
Currently held by Rau, Marjory
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 KK7KRR's current licensee, walking backwards.
- Rau, MarjoryAZgranted 2026-03-24cancelled 2026-04-14
Successor callsigns
Callsigns held now by people who previously held KK7KRR.
- Petersen, George RFLgranted 2023-10-21
All historical holders
Every license row we've seen with the callsign KK7KRR, oldest first.
- Petersen, George R OR2023-02-24 → cancelled 2023-10-21
- Rau, Marjory AZ2026-04-14 active