Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9YAC callsign genealogy
Currently held by PLAINS DX GROUP
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 KC9YAC'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 KC9YAC.
- WW9EEactivePLAINS DX GROUPFLgranted 2023-04-14