Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9IND callsign genealogy
Currently held by SLUDER, CLAUDE C
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 N9IND's current licensee, walking backwards.
- SLUDER, CLAUDE CINgranted 2007-12-13cancelled 2008-01-01
Successor callsigns
Callsigns held now by people who previously held N9IND.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9IND, oldest first.
- KOHL JR, WILLIAM E IL1991-02-12 → cancelled 2003-02-13
- SLUDER, CLAUDE C IN2018-01-03 active