Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA9D callsign genealogy
Currently held by Wilson, 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 WA9D's current licensee, walking backwards.
- Wilson, Robert LWIgranted 2009-12-14cancelled 2010-04-30
Successor callsigns
Callsigns held now by people who previously held WA9D.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA9D, oldest first.
- BLAU, ALBERT D FL1998-04-07 → cancelled 2010-04-08
- Wilson, Robert L WI2020-02-04 active