Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5CWR callsign genealogy
Currently held by Williams, Douglas M
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 W5CWR's current licensee, walking backwards.
- Williams, Douglas MOKgranted 2010-03-12cancelled 2010-04-17
Successor callsigns
Callsigns held now by people who previously held W5CWR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5CWR, oldest first.
- WILLIAMS, LLOYD P OK2006-08-16 → cancelled 2009-10-15
- Williams, Douglas M OK2020-04-22 active