Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0HKY callsign genealogy
Currently held by Williams, David N
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 K0HKY's current licensee, walking backwards.
- Theunissen, CraigCOgranted 2022-05-18cancelled 2022-07-26
Successor callsigns
Callsigns held now by people who previously held K0HKY.
- Williams, David NNHgranted 2017-12-06
All historical holders
Every license row we've seen with the callsign K0HKY, oldest first.
- Williams, David N ND2007-03-20 → cancelled 2008-01-23
- Theunissen, Craig CO2022-07-26 active