Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC2XX callsign genealogy
Currently held by SAWYER, MICHAEL L
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 KC2XX's current licensee, walking backwards.
- SAWYER, MICHAEL LNJgranted 1998-07-21cancelled 2007-07-21
Successor callsigns
Callsigns held now by people who previously held KC2XX.
- SOBOLEWSKI, LEONARD TNJgranted 2008-06-11cancelled 2020-07-23
All historical holders
Every license row we've seen with the callsign KC2XX, oldest first.
- SAWYER, MICHAEL L NJ2017-04-25 active
- —— → cancelled 1998-07-22