Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5DFU callsign genealogy
Currently held by Warren Weldon Memorial Station
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 W5DFU's current licensee, walking backwards.
- KG5SHEcancelledWarren Weldon Memorial StationOKgranted 2017-03-21cancelled 2017-04-11
Successor callsigns
Callsigns held now by people who previously held W5DFU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5DFU, oldest first.
- WELDON, WARREN J OK1996-09-11 → cancelled 2008-09-12
- Warren Weldon Memorial Station OK2017-04-11 active