Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9LUO callsign genealogy
Currently held by Sutton, Sean B
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 KC9LUO's current licensee, walking backwards.
- Sutton, Sean BINgranted 2005-05-02cancelled 2007-06-21
Successor callsigns
Callsigns held now by people who previously held KC9LUO.
- Sutton, Sean BINgranted 2017-05-31