Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KU1W callsign genealogy
Currently held by White, Stephen 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 KU1W's current licensee, walking backwards.
- White, Stephen PCOgranted 2004-10-13cancelled 2014-07-01
Successor callsigns
Callsigns held now by people who previously held KU1W.
- Freivald, Joseph AUTgranted 2022-05-27
All historical holders
Every license row we've seen with the callsign KU1W, oldest first.
- Freivald, Joseph A T VA2011-05-10 → cancelled 2012-06-08
- White, Stephen P NC2026-03-26 active