Confidence: Medium · Source: FCC ULS · As of 2026-09-09
W1WMD callsign genealogy
Currently held by Klewicki, John E
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 W1WMD's current licensee, walking backwards.
- Klewicki, John ENJgranted 2012-07-02cancelled 2013-04-02
Successor callsigns
Callsigns held now by people who previously held W1WMD.
No current licensee on record previously held this callsign.