Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5TDL callsign genealogy
Currently held by SCHNEIDER, FRANK A
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 W5TDL's current licensee, walking backwards.
- Lewis, Thomas DNMgranted 2014-03-03cancelled 2020-04-07
Successor callsigns
Callsigns held now by people who previously held W5TDL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5TDL, oldest first.
- SCHNEIDER, FRANK A OK2007-07-25 → cancelled 2019-10-22
- Lewis, Thomas D NM2020-04-07 active