Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9KU callsign genealogy
Currently held by SCHLAUGAT, WARREN L
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 W9KU's current licensee, walking backwards.
- Lelu, Yves MFLgranted 2005-11-07cancelled 2006-02-28
Successor callsigns
Callsigns held now by people who previously held W9KU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9KU, oldest first.
- SCHLAUGAT, WARREN L AZ1998-03-26 → cancelled 1999-07-09
- Lelu, Yves M FL2015-12-10 active