Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1MCC callsign genealogy
Currently held by Cohen, Michael C
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 W1MCC's current licensee, walking backwards.
- Cohen, Michael CMAgranted 2006-02-13cancelled 2010-02-02
Successor callsigns
Callsigns held now by people who previously held W1MCC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1MCC, oldest first.
- KONOS SR, WILLIAM G MA1998-01-13 → cancelled 2010-01-14
- Cohen, Michael C MA2019-11-05 active