Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2MMU callsign genealogy
Currently held by Sommers II, Thomas 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 KC2MMU's current licensee, walking backwards.
- Sommers II, Thomas MNJgranted 2002-12-26cancelled 2004-02-02
Successor callsigns
Callsigns held now by people who previously held KC2MMU.
- Sommers II, Thomas MNJgranted 2023-03-28