Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WX2USA callsign genealogy
Currently held by TREANOR JR, DONALD T
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 WX2USA's current licensee, walking backwards.
- KOMAR, WILLIAM GNYgranted 2012-11-07cancelled 2018-12-01
Successor callsigns
Callsigns held now by people who previously held WX2USA.
- KOMAR, WILLIAM GPAgranted 2025-03-28
All historical holders
Every license row we've seen with the callsign WX2USA, oldest first.
- TREANOR JR, DONALD T NY2004-10-01 → cancelled 2016-10-04
- KOMAR, WILLIAM G NY2018-12-01 → cancelled 2025-03-28