Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD0K callsign genealogy
Currently held by THEISEN, RICHARD L
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 WD0K's current licensee, walking backwards.
- THEISEN, RICHARD Lcancelled 1999-04-08
Successor callsigns
Callsigns held now by people who previously held WD0K.
No current licensee on record previously held this callsign.