Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3ALT callsign genealogy
Currently held by Lesnowich, Walter J
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 W3ALT's current licensee, walking backwards.
- Althaus, Jason RTXgranted 2024-02-24cancelled 2026-04-28
Successor callsigns
Callsigns held now by people who previously held W3ALT.
- Lesnowich, Walter JNJgranted 2008-02-26cancelled 2009-03-03
All historical holders
Every license row we've seen with the callsign W3ALT, oldest first.
- Lesnowich, Walter J NJ1999-03-11 → cancelled 2008-02-26
- Althaus, Jason R TX2026-04-28 active