Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NU1W callsign genealogy
Currently held by SWEENEY, TIMOTHY A
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 NU1W's current licensee, walking backwards.
- KEYES, PETER JCTgranted 2002-11-05cancelled 2004-06-25
Successor callsigns
Callsigns held now by people who previously held NU1W.
- SWEENEY, TIMOTHY AMEgranted 1999-08-04cancelled 2002-03-26
All historical holders
Every license row we've seen with the callsign NU1W, oldest first.
- KEYES, PETER J CT2024-04-24 active
- SWEENEY, TIMOTHY A— → cancelled 1999-08-04