Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WU5D callsign genealogy
Currently held by ALLEN, RUDOLPH D
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 WU5D's current licensee, walking backwards.
- KJ5JKJcancelledLonestar Adventure Radio SocietyTXgranted 2024-12-21cancelled 2025-01-11
Successor callsigns
Callsigns held now by people who previously held WU5D.
- ALLEN, RUDOLPH DTXgranted 2010-11-30cancelled 2012-06-08
All historical holders
Every license row we've seen with the callsign WU5D, oldest first.
- VAZQUEZ AYALA, ANGEL TX1996-10-10 → cancelled 2008-10-11
- ALLEN, RUDOLPH D TX2009-09-15 → cancelled 2010-11-30
- Killebrew, Carl D MS2012-12-22 → cancelled 2024-12-24
- Lonestar Adventure Radio Society TX2025-01-11 active