Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9JH callsign genealogy
Currently held by DAVIS, DENNIS J
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 KC9JH's current licensee, walking backwards.
- Harris, John KILgranted 2016-09-01cancelled 2017-03-20
Successor callsigns
Callsigns held now by people who previously held KC9JH.
All historical holders
Every license row we've seen with the callsign KC9JH, oldest first.
- DAVIS, DENNIS J MO2002-12-12 → cancelled 2011-01-25
- Harris, John K IL2017-03-20 → cancelled 2017-07-04