Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WK5WK callsign genealogy
Currently held by Krchnak, Walter D
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 WK5WK's current licensee, walking backwards.
- Krchnak, Walter DTXgranted 2021-03-19cancelled 2026-08-21
Successor callsigns
Callsigns held now by people who previously held WK5WK.
No current licensee on record previously held this callsign.