Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4THZ callsign genealogy
Currently held by SILK, BRIAN A
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 KD4THZ'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 KD4THZ.
- SILK, BRIAN AFLgranted 2005-08-02cancelled 2007-03-23