Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MB callsign genealogy
Currently held by Miller, Michael H
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 W7MB's current licensee, walking backwards.
- Miller, Michael HWAgranted 2003-04-23cancelled 2009-04-21
Successor callsigns
Callsigns held now by people who previously held W7MB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7MB, oldest first.
- CAMERON, KEN G OR1997-04-02 → cancelled 2009-04-03
- Miller, Michael H WA2019-02-12 active