Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9CNN callsign genealogy
Currently held by YAROS, RONALD 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 K9CNN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K9CNN.
- YAROS, RONALDMDgranted 2021-07-20