Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI5KDL callsign genealogy
Currently held by Warren, Steve L
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 KI5KDL's current licensee, walking backwards.
- Warren, Steve LOKgranted 2021-05-06cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held KI5KDL.
- Helms, SteveTXgranted 2020-08-11
All historical holders
Every license row we've seen with the callsign KI5KDL, oldest first.
- Helms, Steve TX2020-07-24 → cancelled 2020-08-11
- Warren, Steve L OK2025-12-09 active