Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE5RLC callsign genealogy
Currently held by Sumpter, Warren 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 KE5RLC's current licensee, walking backwards.
- Sumpter, WarrenOKgranted 2021-11-22cancelled 2021-12-11
Successor callsigns
Callsigns held now by people who previously held KE5RLC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KE5RLC, oldest first.
- Sumpter, Warren L OK2007-11-19 → cancelled 2019-11-20
- Sumpter, Warren OK2021-12-11 active