Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD4NYX callsign genealogy
Currently held by Fox, Wendy
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 KD4NYX's current licensee, walking backwards.
- Fox, WendyVAgranted 2017-09-26cancelled 2017-10-31
Successor callsigns
Callsigns held now by people who previously held KD4NYX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD4NYX, oldest first.
- WALSH, MICHAEL J FL1992-05-05 → cancelled 2004-05-06
- Fox, Wendy VA2017-10-31 active