Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD4Z callsign genealogy
Currently held by HANSON, KENNETH 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 KD4Z's current licensee, walking backwards.
- MERKEL, WARREN AFLgranted 1993-06-01cancelled 2000-12-22
Successor callsigns
Callsigns held now by people who previously held KD4Z.
- HANSON, KENNETH GFLgranted 1998-12-01cancelled 2008-02-12
All historical holders
Every license row we've seen with the callsign KD4Z, oldest first.
- MERKEL, WARREN A GA2020-10-07 active
- HANSON, KENNETH G— → cancelled 1998-12-01