Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG0Z callsign genealogy
Currently held by Chatterton, Jacob D
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 KG0Z's current licensee, walking backwards.
- Chatterton, Jacob DMNgranted 2020-09-15cancelled 2021-10-23
Successor callsigns
Callsigns held now by people who previously held KG0Z.
- Hellwig, Stephen DCOgranted 2019-10-01
All historical holders
Every license row we've seen with the callsign KG0Z, oldest first.
- SUMMIT CONTEST CLUB CO2006-09-14 → cancelled 2018-11-15
- Hellwig, Stephen D CO2018-12-04 → cancelled 2019-10-01
- Chatterton, Jacob D MN2021-10-23 active