Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4IND callsign genealogy
Currently held by DULEY, CLARENCE 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 K4IND's current licensee, walking backwards.
- DULEY, CLARENCE ESCgranted 2009-04-03cancelled 2010-07-24
Successor callsigns
Callsigns held now by people who previously held K4IND.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4IND, oldest first.
- KEMKER, DAVID H TN1989-06-06 → cancelled 2001-06-07
- DULEY, CLARENCE E IL2020-07-17 active