Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7MWB callsign genealogy
Currently held by Blahut, Michael W
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 W7MWB's current licensee, walking backwards.
- Blahut, Michael WTNgranted 2013-06-18cancelled 2013-07-09
Successor callsigns
Callsigns held now by people who previously held W7MWB.
No current licensee on record previously held this callsign.