Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC9WUR callsign genealogy
Currently held by LEMKE, DAVID R
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 KC9WUR's current licensee, walking backwards.
- LEMKE, DAVID RWIgranted 2004-10-13cancelled 2012-11-05
Successor callsigns
Callsigns held now by people who previously held KC9WUR.
- LEMKE, DAVID RILgranted 2020-12-08