Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5DMY callsign genealogy
Currently held by Walden, Thomas 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 W5DMY's current licensee, walking backwards.
- Walden, Thomas RTXgranted 2007-12-06cancelled 2010-02-26
Successor callsigns
Callsigns held now by people who previously held W5DMY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5DMY, oldest first.
- WALDEN, THOMAS V TX2004-12-08 → cancelled 2005-01-23
- Walden, Thomas R TX2020-05-28 active