Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD9BCZ callsign genealogy
Currently held by SOUTHERN INDIANA RADIO
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 KD9BCZ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KD9BCZ.
- W9SIRactiveSOUTHERN INDIANA RADIOINgranted 2025-06-04