Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RLB callsign genealogy
Currently held by Burk, Ron
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 K4RLB's current licensee, walking backwards.
- Burk, RonWAgranted 2023-01-19cancelled 2023-03-17
Successor callsigns
Callsigns held now by people who previously held K4RLB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4RLB, oldest first.
- Burchfield, Robert L TN2010-12-08 → cancelled 2023-02-04
- Burk, Ron WA2023-03-17 active