Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5CTC callsign genealogy
Currently held by Clarke, Clifford
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 K5CTC's current licensee, walking backwards.
- Clarke, CliffordCAgranted 2018-09-04cancelled 2018-09-25
Successor callsigns
Callsigns held now by people who previously held K5CTC.
No current licensee on record previously held this callsign.