Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0DEX callsign genealogy
Currently held by Bradley, Benjamin 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 K0DEX's current licensee, walking backwards.
- Kalmes, Mark AVAgranted 2023-11-14cancelled 2024-01-30
Successor callsigns
Callsigns held now by people who previously held K0DEX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0DEX, oldest first.
- Bradley, Benjamin G TX2012-01-10 → cancelled 2024-01-11
- Kalmes, Mark A VA2024-01-30 active