Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI9S callsign genealogy
Currently held by BERGHOFER, STEPHEN H
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 KI9S's current licensee, walking backwards.
- BERGHOFER, STEPHEN HINgranted 1998-09-24cancelled 2002-11-02
Successor callsigns
Callsigns held now by people who previously held KI9S.
No current licensee on record previously held this callsign.