Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9CYC callsign genealogy
Currently held by Columbia Yacht Club Amateur Radio Society
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 K9CYC's current licensee, walking backwards.
- KC9YANcancelledColumbia Yacht Club Amateur Radio SocietyILgranted 2012-12-19cancelled 2013-01-15
Successor callsigns
Callsigns held now by people who previously held K9CYC.
No current licensee on record previously held this callsign.