Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1TWO callsign genealogy
Currently held by WARRINGTON, PAUL 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 W1TWO's current licensee, walking backwards.
- Warrington, William PNHgranted 2011-10-31cancelled 2016-03-01
Successor callsigns
Callsigns held now by people who previously held W1TWO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1TWO, oldest first.
- WARRINGTON, PAUL W NH2006-04-25 → cancelled 2015-10-13
- Warrington, William P NH2025-12-12 active