Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9AMW callsign genealogy
Currently held by Hamm, Matthew T
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 KC9AMW'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 KC9AMW.
- Hamm, Matthew TILgranted 2001-11-05cancelled 2002-05-07