Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AD0HK callsign genealogy
Currently held by Kempke, Harry F
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 AD0HK's current licensee, walking backwards.
- Kempke, Harry FOHgranted 2018-07-24
Successor callsigns
Callsigns held now by people who previously held AD0HK.
- Kempke, Harry FOHgranted 2018-07-24