Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9KHX callsign genealogy
Currently held by ONDERISIN, DALE J
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 W9KHX's current licensee, walking backwards.
- ONDERISIN, DALE JILgranted 1995-01-31cancelled 2000-05-23
Successor callsigns
Callsigns held now by people who previously held W9KHX.
No current licensee on record previously held this callsign.