Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5CL callsign genealogy
Currently held by Cirrus Logic Amateur Radio Club
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 KC5CL's current licensee, walking backwards.
- KI5EDYcancelledCirrus Logic Amateur Radio ClubTXgranted 2019-04-09cancelled 2019-04-30
Successor callsigns
Callsigns held now by people who previously held KC5CL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5CL, oldest first.
- BOSTON, ROBERT C TX1987-10-13 → cancelled 1999-10-14
- Cirrus Logic Amateur Radio Club TX2019-04-30 active