Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6HDX callsign genealogy
Currently held by HIGHTOWER DX CLUB
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 K6HDX's current licensee, walking backwards.
- THORNTON, JANE MCAgranted 2008-02-12cancelled 2011-07-16
Successor callsigns
Callsigns held now by people who previously held K6HDX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6HDX, oldest first.
- HIGHTOWER DX CLUB CA1999-03-31 → cancelled 2011-04-01
- THORNTON, JANE M CA2021-04-20 active