Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6RLB callsign genealogy
Currently held by GUTHRIE, GERALD A
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 KB6RLB's current licensee, walking backwards.
- Burchett III, Robert LCAgranted 2015-06-08cancelled 2015-06-30
Successor callsigns
Callsigns held now by people who previously held KB6RLB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6RLB, oldest first.
- GUTHRIE, GERALD A CA2000-02-11 → cancelled 2012-05-09
- Burchett III, Robert L CA2025-05-31 active