Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7MKW callsign genealogy
Currently held by WINTCH, MICHAEL K
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 W7MKW's current licensee, walking backwards.
- WINTCH, MICHAEL KUTgranted 2014-05-17cancelled 2015-11-28
Successor callsigns
Callsigns held now by people who previously held W7MKW.
- WINTCH, MICHAEL KUTgranted 2017-01-18