Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ADD callsign genealogy
Currently held by GIBSON, ELLSWORTH H
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 W1ADD's current licensee, walking backwards.
- Adams, StephenCTgranted 2014-02-27cancelled 2014-03-18
Successor callsigns
Callsigns held now by people who previously held W1ADD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1ADD, oldest first.
- GIBSON, ELLSWORTH H MA1994-07-14 → cancelled 2006-07-15
- Adams, Stephen CT2025-03-27 active