Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4SGK callsign genealogy
Currently held by Kellar, Stephen 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 KR4SGK's current licensee, walking backwards.
- Kellar, Stephen GSCgranted 2021-07-19cancelled 2021-09-21
Successor callsigns
Callsigns held now by people who previously held KR4SGK.
No current licensee on record previously held this callsign.