Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9BZF callsign genealogy
Currently held by St Clair, Charles M
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 KC9BZF's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC9BZF.
- St Clair, Charles MINgranted 2011-04-26cancelled 2023-04-27