Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9CWM callsign genealogy
Currently held by McGuire, Charles W
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 KC9CWM's current licensee, walking backwards.
- McGuire, Charles WINgranted 2023-04-27cancelled 2025-02-22
Successor callsigns
Callsigns held now by people who previously held KC9CWM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC9CWM, oldest first.
- Fisher, Allan H IL2012-10-18 → cancelled 2024-12-12
- McGuire, Charles W IN2025-02-22 active