Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7CDB callsign genealogy
Currently held by BUTTARS, CHAD D
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 K7CDB's current licensee, walking backwards.
- Bean, Curtis DORgranted 2020-02-25cancelled 2021-06-25
Successor callsigns
Callsigns held now by people who previously held K7CDB.
- BUTTARS, CHAD DUTgranted 2025-04-16
All historical holders
Every license row we've seen with the callsign K7CDB, oldest first.
- BUTTARS, CHAD D UT2014-06-21 → cancelled 2015-05-05
- Bean, Curtis D WI2021-06-25 active