Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KX9U callsign genealogy
Currently held by DELAP II, KENNETH 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 KX9U's current licensee, walking backwards.
- DELAP II, KENNETH LINgranted 2004-01-21cancelled 2011-04-30
Successor callsigns
Callsigns held now by people who previously held KX9U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KX9U, oldest first.
- Keenan, Eugene R IL2007-12-10 → cancelled 2009-03-20
- DELAP II, KENNETH L IN2021-02-09 active