Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WW9WT callsign genealogy
Currently held by TESCH II, WALTER E
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 WW9WT's current licensee, walking backwards.
- RUDNICK, BRIAN LILgranted 2015-09-10cancelled 2024-07-09
Successor callsigns
Callsigns held now by people who previously held WW9WT.
- TESCH II, WALTER EWIgranted 2021-04-05
All historical holders
Every license row we've seen with the callsign WW9WT, oldest first.
- TESCH II, WALTER E WI2001-07-28 → cancelled 2011-07-01
- Rudnick, Brian L IL2024-07-09 active