Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI0WA callsign genealogy
Currently held by JAMES MADISON MIDDLE SCHOOL
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 KI0WA's current licensee, walking backwards.
- BUCHHEIT, JERRYIAgranted 2008-05-05cancelled 2009-06-06
Successor callsigns
Callsigns held now by people who previously held KI0WA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI0WA, oldest first.
- JAMES MADISON MIDDLE SCHOOL IA1996-11-26 → cancelled 2008-11-27
- BUCHHEIT, JERRY IA2019-06-04 active