Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W4DKB callsign genealogy
Currently held by Butler, Daniel K
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 W4DKB's current licensee, walking backwards.
- Butler, Daniel KNCgranted 2023-06-27cancelled 2023-07-25
Successor callsigns
Callsigns held now by people who previously held W4DKB.
- BROWER, DAVID KFLgranted 2020-11-17
All historical holders
Every license row we've seen with the callsign W4DKB, oldest first.
- BROWER, DAVID K FL2016-12-31 → cancelled 2020-11-17
- Butler, Daniel K NC2023-07-25 active