Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9CAC callsign genealogy
Currently held by Cosentino, Christopher 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 K9CAC's current licensee, walking backwards.
- Cosentino, Christopher AILgranted 2022-01-10cancelled 2023-07-25
Successor callsigns
Callsigns held now by people who previously held K9CAC.
- Cobb, Charles AFLgranted 2019-02-26
All historical holders
Every license row we've seen with the callsign K9CAC, oldest first.
- Cobb, Charles A FL2018-05-04 → cancelled 2019-02-26
- Cosentino, Christopher A IL2023-07-25 active