Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9YWX callsign genealogy
Currently held by LUCKHART, KARL E
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 W9YWX's current licensee, walking backwards.
- WONDERLING, ROBERT DILgranted 2021-02-17cancelled 2024-02-03
Successor callsigns
Callsigns held now by people who previously held W9YWX.
- WONDERLING, ROBERT DILgranted 2021-02-17cancelled 2024-02-03
All historical holders
Every license row we've seen with the callsign W9YWX, oldest first.
- LUCKHART, KARL E IL1988-03-08 → cancelled 2000-03-09
- WONDERLING, ROBERT D IL2021-01-19 → cancelled 2021-02-17