Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9SAS callsign genealogy
Currently held by SILLS, SERENA A
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 KC9SAS's current licensee, walking backwards.
- Sills, Serena AINgranted 2007-09-11cancelled 2007-10-06
Successor callsigns
Callsigns held now by people who previously held KC9SAS.
No current licensee on record previously held this callsign.