Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB0LBB callsign genealogy
Currently held by Butler, Dori H
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 WB0LBB's current licensee, walking backwards.
- Butler, Dori HWAgranted 2016-08-30cancelled 2016-11-15
Successor callsigns
Callsigns held now by people who previously held WB0LBB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB0LBB, oldest first.
- Hillestad, John C MN2008-05-02 → cancelled 2014-12-03
- Butler, Dori H WA2016-11-15 active