Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9ZD callsign genealogy
Currently held by WENISCH, LOUIS F
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 W9ZD's current licensee, walking backwards.
- Rikoski, Richard AINgranted 2004-06-09cancelled 2007-05-30
Successor callsigns
Callsigns held now by people who previously held W9ZD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9ZD, oldest first.
- WENISCH, LOUIS F FL1997-02-20 → cancelled 2005-02-21
- Rikoski, Richard A IN2017-03-30 active