Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7KMB callsign genealogy
Currently held by Boyer, Kimberly M
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 W7KMB's current licensee, walking backwards.
- Boyer, Kimberly MMTgranted 2021-07-21cancelled 2021-11-23
Successor callsigns
Callsigns held now by people who previously held W7KMB.
- Dandoy, Ryoji GCAgranted 2023-02-02
All historical holders
Every license row we've seen with the callsign W7KMB, oldest first.
- Dandoy, Ryoji G UT2012-12-14 → cancelled 2013-04-26
- Boyer, Kimberly M MT2021-11-23 active