Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT6D callsign genealogy
Currently held by Hoff, Donald 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 WT6D's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WT6D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WT6D, oldest first.
- CHILD, AUSTIN R CA1996-03-05 → cancelled 2004-04-17
- Hoff, Donald K CA2026-06-18 active