Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KU9P callsign genealogy
Currently held by DOWELL, WILLIAM E
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 KU9P's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KU9P.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KU9P, oldest first.
- DOWELL, WILLIAM E FL1998-01-05 → cancelled 2010-01-06
- Gausmann, Theodore L WI2025-09-16 active