Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO4KMS callsign genealogy
Currently held by Sparks, Kevin M
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 KO4KMS's current licensee, walking backwards.
- Sparks, Kevin MALgranted 2021-02-23cancelled 2023-11-17
Successor callsigns
Callsigns held now by people who previously held KO4KMS.
- Gonsowski, CodyGAgranted 2021-01-26
All historical holders
Every license row we've seen with the callsign KO4KMS, oldest first.
- Gonsowski, Cody GA2020-12-28 → cancelled 2021-01-26
- Sparks, Kevin M AL2023-11-17 active