Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6QDI callsign genealogy
Currently held by Henderson, Thomas W
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 N6QDI's current licensee, walking backwards.
- Henderson, Thomas WCAgranted 2022-07-01cancelled 2022-08-09
Successor callsigns
Callsigns held now by people who previously held N6QDI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6QDI, oldest first.
- HENDERSON, THOMAS W CA1997-09-09 → cancelled 2009-09-10
- Henderson, Thomas W CA2022-08-09 active