Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WD9HXD callsign genealogy
Currently held by Slavik, Matthew J
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 WD9HXD's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WD9HXD.
- Slavik, Matthew JWIgranted 2011-05-12cancelled 2023-07-18