Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4SZB callsign genealogy
Currently held by Ward Sr, Thomas G
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 KD4SZB'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 KD4SZB.
- Ward Sr, Thomas GLAgranted 2019-04-02