Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4KK callsign genealogy
Currently held by GROOMS, G EDWIN
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 K4KK's current licensee, walking backwards.
- Youmans, Stephen SGAgranted 2022-02-14cancelled 2025-01-24
Successor callsigns
Callsigns held now by people who previously held K4KK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4KK, oldest first.
- GROOMS, G EDWIN TN2016-12-06 → cancelled 2023-01-05
- Youmans, Stephen S GA2025-01-24 active