Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6HDK callsign genealogy
Currently held by KAHN, HAROLD D
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 W6HDK's current licensee, walking backwards.
- KAHN, HAROLD DNYgranted 2008-01-09cancelled 2014-06-14
Successor callsigns
Callsigns held now by people who previously held W6HDK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6HDK, oldest first.
- STEINHARDT, JAMES A MO1993-04-27 → cancelled 2005-04-28
- KAHN, HAROLD D NY2024-07-26 active