Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW0W callsign genealogy
Currently held by JUDGE, GREGG P
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 KW0W's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KW0W.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KW0W, oldest first.
- JUDGE, GREGG P MN2010-02-08 → cancelled 2014-12-11
- WALLEWEIN, KEVIN L CA2016-12-30 active