Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5YU callsign genealogy
Currently held by DEGNER, OTTO J
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 W5YU's current licensee, walking backwards.
- KE5OKJcancelledTulane University Amateur Radio ClubLAgranted 2007-05-18cancelled 2007-07-06
Successor callsigns
Callsigns held now by people who previously held W5YU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5YU, oldest first.
- DEGNER, OTTO J NM2005-11-02 → cancelled 2006-07-03
- Tulane University Amateur Radio Club LA2017-06-03 active