Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DUX callsign genealogy
Currently held by Shindledeecker, Kenneth L
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 K7DUX's current licensee, walking backwards.
- Shindledeecker, Kenneth LORgranted 2018-03-02cancelled 2020-10-06
Successor callsigns
Callsigns held now by people who previously held K7DUX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7DUX, oldest first.
- Delany, Chad C OR2008-02-05 → cancelled 2020-02-06
- Shindledeecker, Kenneth L OR2020-10-06 active