Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2OTO callsign genealogy
Currently held by Simendinger, Mark G
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 KC2OTO's current licensee, walking backwards.
- Simendinger, Mark GNJgranted 2004-10-14cancelled 2005-10-14
Successor callsigns
Callsigns held now by people who previously held KC2OTO.
- Simendinger, Mark GNJgranted 2017-03-28