Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC0CYW callsign genealogy
Currently held by CLINE, JR RL
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 KC0CYW's current licensee, walking backwards.
- Cline JR, RLCOgranted 2018-03-13cancelled 2018-03-31
Successor callsigns
Callsigns held now by people who previously held KC0CYW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC0CYW, oldest first.
- CLINE, JR RL CO1998-03-17 → cancelled 2010-03-18
- Cline JR, RL CO2018-03-31 active