Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9CV callsign genealogy
Currently held by Tessmann, Ralph
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 W9CV's current licensee, walking backwards.
- Tessmann, RalphILgranted 2006-02-01cancelled 2007-04-14
Successor callsigns
Callsigns held now by people who previously held W9CV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9CV, oldest first.
- WRIGHT, WILLIAM B IL1997-02-07 → cancelled 1997-07-30
- Tessmann, Ralph IL2017-02-16 active