Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4WHH callsign genealogy
Currently held by Haugk, Wolfgang H
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 K4WHH's current licensee, walking backwards.
- Haugk, Wolfgang HFLgranted 2016-05-04cancelled 2016-05-24
Successor callsigns
Callsigns held now by people who previously held K4WHH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4WHH, oldest first.
- HICKS, WILLIAM H NC1999-03-26 → cancelled 2011-03-29
- Haugk, Wolfgang H FL2026-06-04 active