Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5WDM callsign genealogy
Currently held by MC CAY, THOMAS E
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 W5WDM's current licensee, walking backwards.
- McDonald, Daniel JOKgranted 2025-07-03cancelled 2026-07-14
Successor callsigns
Callsigns held now by people who previously held W5WDM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5WDM, oldest first.
- MC CAY, THOMAS E AZ2014-02-28 → cancelled 2026-05-27
- McDonald, Daniel OK2026-07-14 active