Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1WIW callsign genealogy
Currently held by Slattery, Will L
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 W1WIW's current licensee, walking backwards.
- Slattery, Will LCAgranted 2018-09-05cancelled 2018-09-29
Successor callsigns
Callsigns held now by people who previously held W1WIW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1WIW, oldest first.
- ALLEN, PAUL F NH1997-08-22 → cancelled 2009-08-25
- Slattery, Will L CA2018-09-29 active