Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC7SGT callsign genealogy
Currently held by KLEINGELD, JOHN C
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 KC7SGT's current licensee, walking backwards.
- Moore, JeffIDgranted 2016-10-06cancelled 2024-02-17
Successor callsigns
Callsigns held now by people who previously held KC7SGT.
- KLEINGELD, JOHN CUTgranted 2008-06-07cancelled 2020-09-03
All historical holders
Every license row we've seen with the callsign KC7SGT, oldest first.
- Moore, Jeff ID2024-02-17 active
- KLEINGELD, JOHN C— → cancelled 1998-09-02