Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA9VRZ callsign genealogy
Currently held by Dillmans Amateur Radio Experimenters
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 WA9VRZ's current licensee, walking backwards.
- KC9JUGcancelledDillmans Amateur Radio ExperimentersINgranted 2006-07-07cancelled 2007-08-10
Successor callsigns
Callsigns held now by people who previously held WA9VRZ.
- KO9FactiveDillmans Amateur Radio ExperimentersINgranted 2020-12-16