Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9KDI callsign genealogy
Currently held by Wolkomir, Michael S
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 KC9KDI'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 KC9KDI.
- Wolkomir, Michael SWIgranted 2006-10-20cancelled 2018-10-23