Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK9TC callsign genealogy
Currently held by Tri County HF 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 KK9TC's current licensee, walking backwards.
- KC9LGLcancelledTri County HF SocietyINgranted 2007-04-03cancelled 2007-05-15
Successor callsigns
Callsigns held now by people who previously held KK9TC.
No current licensee on record previously held this callsign.