Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4BIS callsign genealogy
Currently held by Kinerson, Leonard 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 KI4BIS's current licensee, walking backwards.
- FORBIS JR, JAMES TOHgranted 2014-05-16cancelled 2014-06-10
Successor callsigns
Callsigns held now by people who previously held KI4BIS.
- Kinerson, Leonard JFLgranted 2017-09-15cancelled 2018-05-18
All historical holders
Every license row we've seen with the callsign KI4BIS, oldest first.
- Kinerson, Leonard J FL2003-07-01 → cancelled 2007-11-16
- FORBIS JR, JAMES T OH2014-06-10 → cancelled 2026-06-11