Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1SGT callsign genealogy
Currently held by Rich, Joseph R
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 KC1SGT's current licensee, walking backwards.
- Rich, Joseph RMAgranted 2016-05-02cancelled 2016-05-24
Successor callsigns
Callsigns held now by people who previously held KC1SGT.
No current licensee on record previously held this callsign.