Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD6U callsign genealogy
Currently held by CHILDRESS, WILLIAM 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 KD6U's current licensee, walking backwards.
- Mann, Ronald ACAgranted 2016-08-23cancelled 2017-05-26
Successor callsigns
Callsigns held now by people who previously held KD6U.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD6U, oldest first.
- CHILDRESS, WILLIAM L CA2005-05-26 → cancelled 2017-05-06
- Mann, Ronald A CA2017-05-26 active