Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5MLT callsign genealogy
Currently held by Dillo-DX Club
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 W5MLT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W5MLT.
- THOMAS, MICHAEL LTXgranted 2023-04-13
All historical holders
Every license row we've seen with the callsign W5MLT, oldest first.
- THOMAS, MICHAEL L TX2003-02-19 → cancelled 2003-07-11
- Dillo-DX Club TX2005-08-02 → cancelled 2017-08-03