Confidence: Medium · Source: FCC ULS · As of 2026-09-15
KC9SFC callsign genealogy
Currently held by Chellberg, Scott F
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 KC9SFC's current licensee, walking backwards.
- Chellberg, Scott FINgranted 2003-04-17cancelled 2003-07-18
Successor callsigns
Callsigns held now by people who previously held KC9SFC.
No current licensee on record previously held this callsign.