Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB5ADU callsign genealogy
Currently held by FONTENOT, ROBERT L
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 WB5ADU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held WB5ADU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB5ADU, oldest first.
- FONTENOT, ROBERT L LA2001-11-21 → cancelled 2014-02-19
- CONDOURE, ROBERT C AR2024-03-26 active