Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4OKY callsign genealogy
Currently held by Regennitter, Judith I
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 W4OKY's current licensee, walking backwards.
- Gardner, Clayton GKYgranted 2016-02-11cancelled 2016-03-01
Successor callsigns
Callsigns held now by people who previously held W4OKY.
- Regennitter, Judith IMNgranted 2021-06-15
All historical holders
Every license row we've seen with the callsign W4OKY, oldest first.
- Regennitter, Judith I MN1998-10-27 → cancelled 2001-09-08
- Gardner, Clayton G KY2016-03-01 active