Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9SIL callsign genealogy
Currently held by CARSON, CHRISTOPHER D
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 KA9SIL'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 KA9SIL.
- CARSON, CHRISTOPHER DILgranted 2017-01-04cancelled 2025-06-06