Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1WK callsign genealogy
Currently held by Cohen, Will 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 W1WK's current licensee, walking backwards.
- Cohen, Will WMAgranted 2018-11-19cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held W1WK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1WK, oldest first.
- MAJESKI, JAMES A SC2008-04-18 → cancelled 2017-01-27
- Cohen, Will W MA2019-02-20 active