Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB9FIA callsign genealogy
Currently held by DIETZ, TIMOTHY 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 WB9FIA's current licensee, walking backwards.
- DIETZ, TIMOTHY JINgranted 1999-12-28cancelled 2007-03-23
- KJ4AZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held WB9FIA.
No current licensee on record previously held this callsign.