Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1DWD callsign genealogy
Currently held by Demers, Andrew 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 W1DWD's current licensee, walking backwards.
- Demers, Andrew ENHgranted 2016-04-18cancelled 2021-03-16
Successor callsigns
Callsigns held now by people who previously held W1DWD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1DWD, oldest first.
- KEY, WILLIAM J MA1989-01-10 → cancelled 2001-01-11
- Demers, Andrew E NH2021-03-16 active