Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR7M callsign genealogy
Currently held by GRANUM, RICHARD L
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 KR7M's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KR7M.
- Varnas, Vincent JORgranted 2020-07-14cancelled 2021-08-06
All historical holders
Every license row we've seen with the callsign KR7M, oldest first.
- GRANUM, RICHARD L WA2008-03-25 → cancelled 2017-07-31
- Varnas, Vincent J OR2019-08-20 → cancelled 2020-07-14
- MC BRIDE II, WILLIAM R AZ2022-08-02 active