Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WK9W callsign genealogy
Currently held by MC DUFFIE SR, LE ROY C
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 WK9W's current licensee, walking backwards.
- MORAN, BRENDAN MILgranted 2025-11-25cancelled 2026-01-16
Successor callsigns
Callsigns held now by people who previously held WK9W.
- Heath, Kevin MFLgranted 2023-10-20
All historical holders
Every license row we've seen with the callsign WK9W, oldest first.
- MC DUFFIE SR, LE ROY C IL2009-05-08 → cancelled 2021-07-21
- Heath, Kevin M FL2021-08-10 → cancelled 2023-10-20
- MORAN, BRENDAN M IL2026-01-16 active