Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4VZI callsign genealogy
Currently held by HICKS, DAVID 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 KD4VZI's current licensee, walking backwards.
- King, Samuel STNgranted 2021-09-13cancelled 2021-10-02
Successor callsigns
Callsigns held now by people who previously held KD4VZI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4VZI, oldest first.
- HICKS, DAVID A FL1993-01-19 → cancelled 2005-01-20
- King, Samuel S TN2021-10-02 active