Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB9WDH callsign genealogy
Currently held by THOMAS, RICHARD
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 WB9WDH's current licensee, walking backwards.
- Thomas, Jennifer JINgranted 2007-01-26cancelled 2008-12-13
Successor callsigns
Callsigns held now by people who previously held WB9WDH.
- Thomas, RichardINgranted 2024-10-16
All historical holders
Every license row we've seen with the callsign WB9WDH, oldest first.
- THOMAS, RICHARD IN2004-06-05 → cancelled 2004-12-04
- Thomas, Jennifer J IN2018-10-02 active