Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA9WKW callsign genealogy
Currently held by WHITAKER, CORNELIUS R
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 KA9WKW's current licensee, walking backwards.
- Whitaker, Martin JKYgranted 2026-02-26cancelled 2026-03-17
Successor callsigns
Callsigns held now by people who previously held KA9WKW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA9WKW, oldest first.
- WHITAKER, CORNELIUS R TN2007-02-06 → cancelled 2019-02-13
- Whitaker, Martin J KY2026-03-17 active